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SMTPClient (libcommons-net2-java API)
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SUMMARY: NESTED | <A HREF="#fields_inherited_from_class_org.apache.commons.net.smtp.SMTP">FIELD</A> | <A HREF="#constructor_summary">CONSTR</A> | <A HREF="#method_summary">METHOD</A></FONT></TD>
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<FONT SIZE="-1">
org.apache.commons.net.smtp</FONT>
<BR>
Class SMTPClient</H2>
<PRE>
<A HREF="file:///usr/share/doc/default-jdk-doc/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">java.lang.Object</A>
<IMG SRC="../../../../../resources/inherit.gif" ALT="extended by "><A HREF="../../../../../org/apache/commons/net/SocketClient.html" title="class in org.apache.commons.net">org.apache.commons.net.SocketClient</A>
<IMG SRC="../../../../../resources/inherit.gif" ALT="extended by "><A HREF="../../../../../org/apache/commons/net/smtp/SMTP.html" title="class in org.apache.commons.net.smtp">org.apache.commons.net.smtp.SMTP</A>
<IMG SRC="../../../../../resources/inherit.gif" ALT="extended by "><B>org.apache.commons.net.smtp.SMTPClient</B>
</PRE>
<HR>
<DL>
<DT><PRE>public class <B>SMTPClient</B><DT>extends <A HREF="../../../../../org/apache/commons/net/smtp/SMTP.html" title="class in org.apache.commons.net.smtp">SMTP</A></DL>
</PRE>
<P>
SMTPClient encapsulates all the functionality necessary to send files
through an SMTP server. This class takes care of all
low level details of interacting with an SMTP server and provides
a convenient higher level interface. As with all classes derived
from <A HREF="../../../../../org/apache/commons/net/SocketClient.html" title="class in org.apache.commons.net"><CODE>SocketClient</CODE></A>,
you must first connect to the server with
<A HREF="../../../../../org/apache/commons/net/SocketClient.html#connect(java.net.InetAddress, int)"><CODE>connect </CODE></A>
before doing anything, and finally
<A HREF="../../../../../org/apache/commons/net/SocketClient.html#disconnect()"><CODE>disconnect </CODE></A>
after you're completely finished interacting with the server.
Then you need to check the SMTP reply code to see if the connection
was successful. For example:
<pre>
try {
int reply;
client.connect("mail.foobar.com");
System.out.print(client.getReplyString());
// After connection attempt, you should check the reply code to verify
// success.
reply = client.getReplyCode();
if(!SMTPReply.isPositiveCompletion(reply)) {
client.disconnect();
System.err.println("SMTP server refused connection.");
System.exit(1);
}
// Do useful stuff here.
...
} catch(IOException e) {
if(client.isConnected()) {
try {
client.disconnect();
} catch(IOException f) {
// do nothing
}
}
System.err.println("Could not connect to server.");
e.printStackTrace();
System.exit(1);
}
</pre>
<p>
Immediately after connecting is the only real time you need to check the
reply code (because connect is of type void). The convention for all the
SMTP command methods in SMTPClient is such that they either return a
boolean value or some other value.
The boolean methods return true on a successful completion reply from
the SMTP server and false on a reply resulting in an error condition or
failure. The methods returning a value other than boolean return a value
containing the higher level data produced by the SMTP command, or null if a
reply resulted in an error condition or failure. If you want to access
the exact SMTP reply code causing a success or failure, you must call
<A HREF="../../../../../org/apache/commons/net/smtp/SMTP.html#getReplyCode()"><CODE>getReplyCode </CODE></A> after
a success or failure.
<p>
You should keep in mind that the SMTP server may choose to prematurely
close a connection for various reasons. The SMTPClient class will detect a
premature SMTP server connection closing when it receives a
<A HREF="../../../../../org/apache/commons/net/smtp/SMTPReply.html#SERVICE_NOT_AVAILABLE"><CODE>SMTPReply.SERVICE_NOT_AVAILABLE </CODE></A>
response to a command.
When that occurs, the method encountering that reply will throw
an <A HREF="../../../../../org/apache/commons/net/smtp/SMTPConnectionClosedException.html" title="class in org.apache.commons.net.smtp"><CODE>SMTPConnectionClosedException</CODE></A>
.
<code>SMTPConectionClosedException</code>
is a subclass of <code> IOException </code> and therefore need not be
caught separately, but if you are going to catch it separately, its
catch block must appear before the more general <code> IOException </code>
catch block. When you encounter an
<A HREF="../../../../../org/apache/commons/net/smtp/SMTPConnectionClosedException.html" title="class in org.apache.commons.net.smtp"><CODE>SMTPConnectionClosedException</CODE></A>
, you must disconnect the connection with
<A HREF="../../../../../org/apache/commons/net/smtp/SMTP.html#disconnect()"><CODE>disconnect() </CODE></A> to properly clean up the
system resources used by SMTPClient. Before disconnecting, you may check
the last reply code and text with
<A HREF="../../../../../org/apache/commons/net/smtp/SMTP.html#getReplyCode()"><CODE>getReplyCode </CODE></A>,
<A HREF="../../../../../org/apache/commons/net/smtp/SMTP.html#getReplyString()"><CODE>getReplyString </CODE></A>,
and
<A HREF="../../../../../org/apache/commons/net/smtp/SMTP.html#getReplyStrings()"><CODE>getReplyStrings</CODE></A>.
<p>
Rather than list it separately for each method, we mention here that
every method communicating with the server and throwing an IOException
can also throw a
<A HREF="../../../../../org/apache/commons/net/MalformedServerReplyException.html" title="class in org.apache.commons.net"><CODE>MalformedServerReplyException</CODE></A>
, which is a subclass
of IOException. A MalformedServerReplyException will be thrown when
the reply received from the server deviates enough from the protocol
specification that it cannot be interpreted in a useful manner despite
attempts to be as lenient as possible.
<p>
<p>
<P>
<P>
<DL>
<DT><B>Author:</B></DT>
<DD>Daniel F. Savarese</DD>
<DT><B>See Also:</B><DD><A HREF="../../../../../org/apache/commons/net/smtp/SMTP.html" title="class in org.apache.commons.net.smtp"><CODE>SMTP</CODE></A>,
<A HREF="../../../../../org/apache/commons/net/smtp/SimpleSMTPHeader.html" title="class in org.apache.commons.net.smtp"><CODE>SimpleSMTPHeader</CODE></A>,
<A HREF="../../../../../org/apache/commons/net/smtp/RelayPath.html" title="class in org.apache.commons.net.smtp"><CODE>RelayPath</CODE></A>,
<A HREF="../../../../../org/apache/commons/net/smtp/SMTPConnectionClosedException.html" title="class in org.apache.commons.net.smtp"><CODE>SMTPConnectionClosedException</CODE></A>,
<A HREF="../../../../../org/apache/commons/net/MalformedServerReplyException.html" title="class in org.apache.commons.net"><CODE>MalformedServerReplyException</CODE></A></DL>
<HR>
<P>
<!-- =========== FIELD SUMMARY =========== -->
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<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
<TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2">
<B>Field Summary</B></FONT></TH>
</TR>
</TABLE>
<A NAME="fields_inherited_from_class_org.apache.commons.net.smtp.SMTP"><!-- --></A>
<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
<TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor">
<TH ALIGN="left"><B>Fields inherited from class org.apache.commons.net.smtp.<A HREF="../../../../../org/apache/commons/net/smtp/SMTP.html" title="class in org.apache.commons.net.smtp">SMTP</A></B></TH>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE><A HREF="../../../../../org/apache/commons/net/smtp/SMTP.html#_commandSupport_">_commandSupport_</A>, <A HREF="../../../../../org/apache/commons/net/smtp/SMTP.html#DEFAULT_PORT">DEFAULT_PORT</A></CODE></TD>
</TR>
</TABLE>
<A NAME="fields_inherited_from_class_org.apache.commons.net.SocketClient"><!-- --></A>
<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
<TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor">
<TH ALIGN="left"><B>Fields inherited from class org.apache.commons.net.<A HREF="../../../../../org/apache/commons/net/SocketClient.html" title="class in org.apache.commons.net">SocketClient</A></B></TH>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE><A HREF="../../../../../org/apache/commons/net/SocketClient.html#_defaultPort_">_defaultPort_</A>, <A HREF="../../../../../org/apache/commons/net/SocketClient.html#_input_">_input_</A>, <A HREF="../../../../../org/apache/commons/net/SocketClient.html#_output_">_output_</A>, <A HREF="../../../../../org/apache/commons/net/SocketClient.html#_serverSocketFactory_">_serverSocketFactory_</A>, <A HREF="../../../../../org/apache/commons/net/SocketClient.html#_socket_">_socket_</A>, <A HREF="../../../../../org/apache/commons/net/SocketClient.html#_socketFactory_">_socketFactory_</A>, <A HREF="../../../../../org/apache/commons/net/SocketClient.html#_timeout_">_timeout_</A>, <A HREF="../../../../../org/apache/commons/net/SocketClient.html#connectTimeout">connectTimeout</A>, <A HREF="../../../../../org/apache/commons/net/SocketClient.html#NETASCII_EOL">NETASCII_EOL</A></CODE></TD>
</TR>
</TABLE>
<!-- ======== CONSTRUCTOR SUMMARY ======== -->
<A NAME="constructor_summary"><!-- --></A>
<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
<TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2">
<B>Constructor Summary</B></FONT></TH>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE><B><A HREF="../../../../../org/apache/commons/net/smtp/SMTPClient.html#SMTPClient()">SMTPClient</A></B>()</CODE>
<BR>
Default SMTPClient constructor.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE><B><A HREF="../../../../../org/apache/commons/net/smtp/SMTPClient.html#SMTPClient(java.lang.String)">SMTPClient</A></B>(<A HREF="file:///usr/share/doc/default-jdk-doc/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A> encoding)</CODE>
<BR>
Overloaded constructor that takes an encoding specification</TD>
</TR>
</TABLE>
<!-- ========== METHOD SUMMARY =========== -->
<A NAME="method_summary"><!-- --></A>
<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
<TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2">
<B>Method Summary</B></FONT></TH>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> boolean</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../org/apache/commons/net/smtp/SMTPClient.html#addRecipient(org.apache.commons.net.smtp.RelayPath)">addRecipient</A></B>(<A HREF="../../../../../org/apache/commons/net/smtp/RelayPath.html" title="class in org.apache.commons.net.smtp">RelayPath</A> path)</CODE>
<BR>
Add a recipient for a message using the SMTP RCPT command, specifying
a forward relay path.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> boolean</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../org/apache/commons/net/smtp/SMTPClient.html#addRecipient(java.lang.String)">addRecipient</A></B>(<A HREF="file:///usr/share/doc/default-jdk-doc/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A> address)</CODE>
<BR>
Add a recipient for a message using the SMTP RCPT command, the
recipient's email address.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> boolean</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../org/apache/commons/net/smtp/SMTPClient.html#completePendingCommand()">completePendingCommand</A></B>()</CODE>
<BR>
At least one SMTPClient method (<A HREF="../../../../../org/apache/commons/net/smtp/SMTPClient.html#sendMessageData()"><CODE>sendMessageData </CODE></A>)
does not complete the entire sequence of SMTP commands to complete a
transaction.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> <A HREF="file:///usr/share/doc/default-jdk-doc/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../org/apache/commons/net/smtp/SMTPClient.html#listHelp()">listHelp</A></B>()</CODE>
<BR>
Fetches the system help information from the server and returns the
full string.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> <A HREF="file:///usr/share/doc/default-jdk-doc/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../org/apache/commons/net/smtp/SMTPClient.html#listHelp(java.lang.String)">listHelp</A></B>(<A HREF="file:///usr/share/doc/default-jdk-doc/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A> command)</CODE>
<BR>
Fetches the help information for a given command from the server and
returns the full string.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> boolean</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../org/apache/commons/net/smtp/SMTPClient.html#login()">login</A></B>()</CODE>
<BR>
Login to the SMTP server by sending the HELO command with the
client hostname as an argument.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> boolean</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../org/apache/commons/net/smtp/SMTPClient.html#login(java.lang.String)">login</A></B>(<A HREF="file:///usr/share/doc/default-jdk-doc/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A> hostname)</CODE>
<BR>
Login to the SMTP server by sending the HELO command with the
given hostname as an argument.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> boolean</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../org/apache/commons/net/smtp/SMTPClient.html#logout()">logout</A></B>()</CODE>
<BR>
Logout of the SMTP server by sending the QUIT command.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> boolean</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../org/apache/commons/net/smtp/SMTPClient.html#reset()">reset</A></B>()</CODE>
<BR>
Aborts the current mail transaction, resetting all server stored
sender, recipient, and mail data, cleaing all buffers and tables.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> <A HREF="file:///usr/share/doc/default-jdk-doc/api/java/io/Writer.html?is-external=true" title="class or interface in java.io">Writer</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../org/apache/commons/net/smtp/SMTPClient.html#sendMessageData()">sendMessageData</A></B>()</CODE>
<BR>
Send the SMTP DATA command in preparation to send an email message.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> boolean</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../org/apache/commons/net/smtp/SMTPClient.html#sendNoOp()">sendNoOp</A></B>()</CODE>
<BR>
Sends a NOOP command to the SMTP server.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> boolean</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../org/apache/commons/net/smtp/SMTPClient.html#sendShortMessageData(java.lang.String)">sendShortMessageData</A></B>(<A HREF="file:///usr/share/doc/default-jdk-doc/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A> message)</CODE>
<BR>
A convenience method for sending short messages.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> boolean</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../org/apache/commons/net/smtp/SMTPClient.html#sendSimpleMessage(java.lang.String, java.lang.String[], java.lang.String)">sendSimpleMessage</A></B>(<A HREF="file:///usr/share/doc/default-jdk-doc/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A> sender,
<A HREF="file:///usr/share/doc/default-jdk-doc/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A>[] recipients,
<A HREF="file:///usr/share/doc/default-jdk-doc/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A> message)</CODE>
<BR>
A convenience method for a sending short email without having to
explicitly set the sender and recipient(s).</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> boolean</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../org/apache/commons/net/smtp/SMTPClient.html#sendSimpleMessage(java.lang.String, java.lang.String, java.lang.String)">sendSimpleMessage</A></B>(<A HREF="file:///usr/share/doc/default-jdk-doc/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A> sender,
<A HREF="file:///usr/share/doc/default-jdk-doc/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A> recipient,
<A HREF="file:///usr/share/doc/default-jdk-doc/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A> message)</CODE>
<BR>
A convenience method for a sending short email without having to
explicitly set the sender and recipient(s).</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> boolean</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../org/apache/commons/net/smtp/SMTPClient.html#setSender(org.apache.commons.net.smtp.RelayPath)">setSender</A></B>(<A HREF="../../../../../org/apache/commons/net/smtp/RelayPath.html" title="class in org.apache.commons.net.smtp">RelayPath</A> path)</CODE>
<BR>
Set the sender of a message using the SMTP MAIL command, specifying
a reverse relay path.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> boolean</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../org/apache/commons/net/smtp/SMTPClient.html#setSender(java.lang.String)">setSender</A></B>(<A HREF="file:///usr/share/doc/default-jdk-doc/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A> address)</CODE>
<BR>
Set the sender of a message using the SMTP MAIL command, specifying
the sender's email address.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> boolean</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../org/apache/commons/net/smtp/SMTPClient.html#verify(java.lang.String)">verify</A></B>(<A HREF="file:///usr/share/doc/default-jdk-doc/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A> username)</CODE>
<BR>
Verify that a username or email address is valid, i.e., that mail
can be delivered to that mailbox on the server.</TD>
</TR>
</TABLE>
<A NAME="methods_inherited_from_class_org.apache.commons.net.smtp.SMTP"><!-- --></A>
<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
<TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor">
<TH ALIGN="left"><B>Methods inherited from class org.apache.commons.net.smtp.<A HREF="../../../../../org/apache/commons/net/smtp/SMTP.html" title="class in org.apache.commons.net.smtp">SMTP</A></B></TH>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE><A HREF="../../../../../org/apache/commons/net/smtp/SMTP.html#_connectAction_()">_connectAction_</A>, <A HREF="../../../../../org/apache/commons/net/smtp/SMTP.html#addProtocolCommandListener(org.apache.commons.net.ProtocolCommandListener)">addProtocolCommandListener</A>, <A HREF="../../../../../org/apache/commons/net/smtp/SMTP.html#data()">data</A>, <A HREF="../../../../../org/apache/commons/net/smtp/SMTP.html#disconnect()">disconnect</A>, <A HREF="../../../../../org/apache/commons/net/smtp/SMTP.html#expn(java.lang.String)">expn</A>, <A HREF="../../../../../org/apache/commons/net/smtp/SMTP.html#getReply()">getReply</A>, <A HREF="../../../../../org/apache/commons/net/smtp/SMTP.html#getReplyCode()">getReplyCode</A>, <A HREF="../../../../../org/apache/commons/net/smtp/SMTP.html#getReplyString()">getReplyString</A>, <A HREF="../../../../../org/apache/commons/net/smtp/SMTP.html#getReplyStrings()">getReplyStrings</A>, <A HREF="../../../../../org/apache/commons/net/smtp/SMTP.html#helo(java.lang.String)">helo</A>, <A HREF="../../../../../org/apache/commons/net/smtp/SMTP.html#help()">help</A>, <A HREF="../../../../../org/apache/commons/net/smtp/SMTP.html#help(java.lang.String)">help</A>, <A HREF="../../../../../org/apache/commons/net/smtp/SMTP.html#mail(java.lang.String)">mail</A>, <A HREF="../../../../../org/apache/commons/net/smtp/SMTP.html#noop()">noop</A>, <A HREF="../../../../../org/apache/commons/net/smtp/SMTP.html#quit()">quit</A>, <A HREF="../../../../../org/apache/commons/net/smtp/SMTP.html#rcpt(java.lang.String)">rcpt</A>, <A HREF="../../../../../org/apache/commons/net/smtp/SMTP.html#removeProtocolCommandistener(org.apache.commons.net.ProtocolCommandListener)">removeProtocolCommandistener</A>, <A HREF="../../../../../org/apache/commons/net/smtp/SMTP.html#rset()">rset</A>, <A HREF="../../../../../org/apache/commons/net/smtp/SMTP.html#saml(java.lang.String)">saml</A>, <A HREF="../../../../../org/apache/commons/net/smtp/SMTP.html#send(java.lang.String)">send</A>, <A HREF="../../../../../org/apache/commons/net/smtp/SMTP.html#sendCommand(int)">sendCommand</A>, <A HREF="../../../../../org/apache/commons/net/smtp/SMTP.html#sendCommand(int, java.lang.String)">sendCommand</A>, <A HREF="../../../../../org/apache/commons/net/smtp/SMTP.html#sendCommand(java.lang.String)">sendCommand</A>, <A HREF="../../../../../org/apache/commons/net/smtp/SMTP.html#sendCommand(java.lang.String, java.lang.String)">sendCommand</A>, <A HREF="../../../../../org/apache/commons/net/smtp/SMTP.html#soml(java.lang.String)">soml</A>, <A HREF="../../../../../org/apache/commons/net/smtp/SMTP.html#turn()">turn</A>, <A HREF="../../../../../org/apache/commons/net/smtp/SMTP.html#vrfy(java.lang.String)">vrfy</A></CODE></TD>
</TR>
</TABLE>
<A NAME="methods_inherited_from_class_org.apache.commons.net.SocketClient"><!-- --></A>
<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
<TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor">
<TH ALIGN="left"><B>Methods inherited from class org.apache.commons.net.<A HREF="../../../../../org/apache/commons/net/SocketClient.html" title="class in org.apache.commons.net">SocketClient</A></B></TH>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE><A HREF="../../../../../org/apache/commons/net/SocketClient.html#connect(java.net.InetAddress)">connect</A>, <A HREF="../../../../../org/apache/commons/net/SocketClient.html#connect(java.net.InetAddress, int)">connect</A>, <A HREF="../../../../../org/apache/commons/net/SocketClient.html#connect(java.net.InetAddress, int, java.net.InetAddress, int)">connect</A>, <A HREF="../../../../../org/apache/commons/net/SocketClient.html#connect(java.lang.String)">connect</A>, <A HREF="../../../../../org/apache/commons/net/SocketClient.html#connect(java.lang.String, int)">connect</A>, <A HREF="../../../../../org/apache/commons/net/SocketClient.html#connect(java.lang.String, int, java.net.InetAddress, int)">connect</A>, <A HREF="../../../../../org/apache/commons/net/SocketClient.html#getConnectTimeout()">getConnectTimeout</A>, <A HREF="../../../../../org/apache/commons/net/SocketClient.html#getDefaultPort()">getDefaultPort</A>, <A HREF="../../../../../org/apache/commons/net/SocketClient.html#getDefaultTimeout()">getDefaultTimeout</A>, <A HREF="../../../../../org/apache/commons/net/SocketClient.html#getKeepAlive()">getKeepAlive</A>, <A HREF="../../../../../org/apache/commons/net/SocketClient.html#getLocalAddress()">getLocalAddress</A>, <A HREF="../../../../../org/apache/commons/net/SocketClient.html#getLocalPort()">getLocalPort</A>, <A HREF="../../../../../org/apache/commons/net/SocketClient.html#getRemoteAddress()">getRemoteAddress</A>, <A HREF="../../../../../org/apache/commons/net/SocketClient.html#getRemotePort()">getRemotePort</A>, <A HREF="../../../../../org/apache/commons/net/SocketClient.html#getServerSocketFactory()">getServerSocketFactory</A>, <A HREF="../../../../../org/apache/commons/net/SocketClient.html#getSoLinger()">getSoLinger</A>, <A HREF="../../../../../org/apache/commons/net/SocketClient.html#getSoTimeout()">getSoTimeout</A>, <A HREF="../../../../../org/apache/commons/net/SocketClient.html#getTcpNoDelay()">getTcpNoDelay</A>, <A HREF="../../../../../org/apache/commons/net/SocketClient.html#isConnected()">isConnected</A>, <A HREF="../../../../../org/apache/commons/net/SocketClient.html#setConnectTimeout(int)">setConnectTimeout</A>, <A HREF="../../../../../org/apache/commons/net/SocketClient.html#setDefaultPort(int)">setDefaultPort</A>, <A HREF="../../../../../org/apache/commons/net/SocketClient.html#setDefaultTimeout(int)">setDefaultTimeout</A>, <A HREF="../../../../../org/apache/commons/net/SocketClient.html#setKeepAlive(boolean)">setKeepAlive</A>, <A HREF="../../../../../org/apache/commons/net/SocketClient.html#setReceiveBufferSize(int)">setReceiveBufferSize</A>, <A HREF="../../../../../org/apache/commons/net/SocketClient.html#setSendBufferSize(int)">setSendBufferSize</A>, <A HREF="../../../../../org/apache/commons/net/SocketClient.html#setServerSocketFactory(javax.net.ServerSocketFactory)">setServerSocketFactory</A>, <A HREF="../../../../../org/apache/commons/net/SocketClient.html#setSocketFactory(javax.net.SocketFactory)">setSocketFactory</A>, <A HREF="../../../../../org/apache/commons/net/SocketClient.html#setSoLinger(boolean, int)">setSoLinger</A>, <A HREF="../../../../../org/apache/commons/net/SocketClient.html#setSoTimeout(int)">setSoTimeout</A>, <A HREF="../../../../../org/apache/commons/net/SocketClient.html#setTcpNoDelay(boolean)">setTcpNoDelay</A>, <A HREF="../../../../../org/apache/commons/net/SocketClient.html#verifyRemote(java.net.Socket)">verifyRemote</A></CODE></TD>
</TR>
</TABLE>
<A NAME="methods_inherited_from_class_java.lang.Object"><!-- --></A>
<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
<TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor">
<TH ALIGN="left"><B>Methods inherited from class java.lang.<A HREF="file:///usr/share/doc/default-jdk-doc/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</A></B></TH>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE><A HREF="file:///usr/share/doc/default-jdk-doc/api/java/lang/Object.html?is-external=true#clone()" title="class or interface in java.lang">clone</A>, <A HREF="file:///usr/share/doc/default-jdk-doc/api/java/lang/Object.html?is-external=true#equals(java.lang.Object)" title="class or interface in java.lang">equals</A>, <A HREF="file:///usr/share/doc/default-jdk-doc/api/java/lang/Object.html?is-external=true#finalize()" title="class or interface in java.lang">finalize</A>, <A HREF="file:///usr/share/doc/default-jdk-doc/api/java/lang/Object.html?is-external=true#getClass()" title="class or interface in java.lang">getClass</A>, <A HREF="file:///usr/share/doc/default-jdk-doc/api/java/lang/Object.html?is-external=true#hashCode()" title="class or interface in java.lang">hashCode</A>, <A HREF="file:///usr/share/doc/default-jdk-doc/api/java/lang/Object.html?is-external=true#notify()" title="class or interface in java.lang">notify</A>, <A HREF="file:///usr/share/doc/default-jdk-doc/api/java/lang/Object.html?is-external=true#notifyAll()" title="class or interface in java.lang">notifyAll</A>, <A HREF="file:///usr/share/doc/default-jdk-doc/api/java/lang/Object.html?is-external=true#toString()" title="class or interface in java.lang">toString</A>, <A HREF="file:///usr/share/doc/default-jdk-doc/api/java/lang/Object.html?is-external=true#wait()" title="class or interface in java.lang">wait</A>, <A HREF="file:///usr/share/doc/default-jdk-doc/api/java/lang/Object.html?is-external=true#wait(long)" title="class or interface in java.lang">wait</A>, <A HREF="file:///usr/share/doc/default-jdk-doc/api/java/lang/Object.html?is-external=true#wait(long, int)" title="class or interface in java.lang">wait</A></CODE></TD>
</TR>
</TABLE>
<P>
<!-- ========= CONSTRUCTOR DETAIL ======== -->
<A NAME="constructor_detail"><!-- --></A>
<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
<TH ALIGN="left" COLSPAN="1"><FONT SIZE="+2">
<B>Constructor Detail</B></FONT></TH>
</TR>
</TABLE>
<A NAME="SMTPClient()"><!-- --></A><H3>
SMTPClient</H3>
<PRE>
public <B>SMTPClient</B>()</PRE>
<DL>
<DD>Default SMTPClient constructor. Creates a new SMTPClient instance.
<P>
</DL>
<HR>
<A NAME="SMTPClient(java.lang.String)"><!-- --></A><H3>
SMTPClient</H3>
<PRE>
public <B>SMTPClient</B>(<A HREF="file:///usr/share/doc/default-jdk-doc/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A> encoding)</PRE>
<DL>
<DD>Overloaded constructor that takes an encoding specification
<P>
<DL>
<DT><B>Parameters:</B><DD><CODE>encoding</CODE> - The encoding to use<DT><B>Since:</B></DT>
<DD>2.0</DD>
</DL>
</DL>
<!-- ============ METHOD DETAIL ========== -->
<A NAME="method_detail"><!-- --></A>
<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
<TH ALIGN="left" COLSPAN="1"><FONT SIZE="+2">
<B>Method Detail</B></FONT></TH>
</TR>
</TABLE>
<A NAME="completePendingCommand()"><!-- --></A><H3>
completePendingCommand</H3>
<PRE>
public boolean <B>completePendingCommand</B>()
throws <A HREF="file:///usr/share/doc/default-jdk-doc/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</A></PRE>
<DL>
<DD>At least one SMTPClient method (<A HREF="../../../../../org/apache/commons/net/smtp/SMTPClient.html#sendMessageData()"><CODE>sendMessageData </CODE></A>)
does not complete the entire sequence of SMTP commands to complete a
transaction. These types of commands require some action by the
programmer after the reception of a positive intermediate command.
After the programmer's code completes its actions, it must call this
method to receive the completion reply from the server and verify the
success of the entire transaction.
<p>
For example,
<pre>
writer = client.sendMessage();
if(writer == null) // failure
return false;
header =
new SimpleSMTPHeader("foobar@foo.com", "foo@foobar.com", "Re: Foo");
writer.write(header.toString());
writer.write("This is just a test");
writer.close();
if(!client.completePendingCommand()) // failure
return false;
</pre>
<p>
<P>
<DD><DL>
<DT><B>Returns:</B><DD>True if successfully completed, false if not.
<DT><B>Throws:</B>
<DD><CODE><A HREF="../../../../../org/apache/commons/net/smtp/SMTPConnectionClosedException.html" title="class in org.apache.commons.net.smtp">SMTPConnectionClosedException</A></CODE> - If the SMTP server prematurely closes the connection as a result
of the client being idle or some other reason causing the server
to send SMTP reply code 421. This exception may be caught either
as an IOException or independently as itself.
<DD><CODE><A HREF="file:///usr/share/doc/default-jdk-doc/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</A></CODE> - If an I/O error occurs while either sending a
command to the server or receiving a reply from the server.</DL>
</DD>
</DL>
<HR>
<A NAME="login(java.lang.String)"><!-- --></A><H3>
login</H3>
<PRE>
public boolean <B>login</B>(<A HREF="file:///usr/share/doc/default-jdk-doc/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A> hostname)
throws <A HREF="file:///usr/share/doc/default-jdk-doc/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</A></PRE>
<DL>
<DD>Login to the SMTP server by sending the HELO command with the
given hostname as an argument. Before performing any mail commands,
you must first login.
<p>
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>hostname</CODE> - The hostname with which to greet the SMTP server.
<DT><B>Returns:</B><DD>True if successfully completed, false if not.
<DT><B>Throws:</B>
<DD><CODE><A HREF="../../../../../org/apache/commons/net/smtp/SMTPConnectionClosedException.html" title="class in org.apache.commons.net.smtp">SMTPConnectionClosedException</A></CODE> - If the SMTP server prematurely closes the connection as a result
of the client being idle or some other reason causing the server
to send SMTP reply code 421. This exception may be caught either
as an IOException or independently as itself.
<DD><CODE><A HREF="file:///usr/share/doc/default-jdk-doc/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</A></CODE> - If an I/O error occurs while either sending a
command to the server or receiving a reply from the server.</DL>
</DD>
</DL>
<HR>
<A NAME="login()"><!-- --></A><H3>
login</H3>
<PRE>
public boolean <B>login</B>()
throws <A HREF="file:///usr/share/doc/default-jdk-doc/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</A></PRE>
<DL>
<DD>Login to the SMTP server by sending the HELO command with the
client hostname as an argument. Before performing any mail commands,
you must first login.
<p>
<P>
<DD><DL>
<DT><B>Returns:</B><DD>True if successfully completed, false if not.
<DT><B>Throws:</B>
<DD><CODE><A HREF="../../../../../org/apache/commons/net/smtp/SMTPConnectionClosedException.html" title="class in org.apache.commons.net.smtp">SMTPConnectionClosedException</A></CODE> - If the SMTP server prematurely closes the connection as a result
of the client being idle or some other reason causing the server
to send SMTP reply code 421. This exception may be caught either
as an IOException or independently as itself.
<DD><CODE><A HREF="file:///usr/share/doc/default-jdk-doc/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</A></CODE> - If an I/O error occurs while either sending a
command to the server or receiving a reply from the server.</DL>
</DD>
</DL>
<HR>
<A NAME="setSender(org.apache.commons.net.smtp.RelayPath)"><!-- --></A><H3>
setSender</H3>
<PRE>
public boolean <B>setSender</B>(<A HREF="../../../../../org/apache/commons/net/smtp/RelayPath.html" title="class in org.apache.commons.net.smtp">RelayPath</A> path)
throws <A HREF="file:///usr/share/doc/default-jdk-doc/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</A></PRE>
<DL>
<DD>Set the sender of a message using the SMTP MAIL command, specifying
a reverse relay path. The sender must be set first before any
recipients may be specified, otherwise the mail server will reject
your commands.
<p>
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>path</CODE> - The reverse relay path pointing back to the sender.
<DT><B>Returns:</B><DD>True if successfully completed, false if not.
<DT><B>Throws:</B>
<DD><CODE><A HREF="../../../../../org/apache/commons/net/smtp/SMTPConnectionClosedException.html" title="class in org.apache.commons.net.smtp">SMTPConnectionClosedException</A></CODE> - If the SMTP server prematurely closes the connection as a result
of the client being idle or some other reason causing the server
to send SMTP reply code 421. This exception may be caught either
as an IOException or independently as itself.
<DD><CODE><A HREF="file:///usr/share/doc/default-jdk-doc/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</A></CODE> - If an I/O error occurs while either sending a
command to the server or receiving a reply from the server.</DL>
</DD>
</DL>
<HR>
<A NAME="setSender(java.lang.String)"><!-- --></A><H3>
setSender</H3>
<PRE>
public boolean <B>setSender</B>(<A HREF="file:///usr/share/doc/default-jdk-doc/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A> address)
throws <A HREF="file:///usr/share/doc/default-jdk-doc/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</A></PRE>
<DL>
<DD>Set the sender of a message using the SMTP MAIL command, specifying
the sender's email address. The sender must be set first before any
recipients may be specified, otherwise the mail server will reject
your commands.
<p>
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>address</CODE> - The sender's email address.
<DT><B>Returns:</B><DD>True if successfully completed, false if not.
<DT><B>Throws:</B>
<DD><CODE><A HREF="../../../../../org/apache/commons/net/smtp/SMTPConnectionClosedException.html" title="class in org.apache.commons.net.smtp">SMTPConnectionClosedException</A></CODE> - If the SMTP server prematurely closes the connection as a result
of the client being idle or some other reason causing the server
to send SMTP reply code 421. This exception may be caught either
as an IOException or independently as itself.
<DD><CODE><A HREF="file:///usr/share/doc/default-jdk-doc/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</A></CODE> - If an I/O error occurs while either sending a
command to the server or receiving a reply from the server.</DL>
</DD>
</DL>
<HR>
<A NAME="addRecipient(org.apache.commons.net.smtp.RelayPath)"><!-- --></A><H3>
addRecipient</H3>
<PRE>
public boolean <B>addRecipient</B>(<A HREF="../../../../../org/apache/commons/net/smtp/RelayPath.html" title="class in org.apache.commons.net.smtp">RelayPath</A> path)
throws <A HREF="file:///usr/share/doc/default-jdk-doc/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</A></PRE>
<DL>
<DD>Add a recipient for a message using the SMTP RCPT command, specifying
a forward relay path. The sender must be set first before any
recipients may be specified, otherwise the mail server will reject
your commands.
<p>
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>path</CODE> - The forward relay path pointing to the recipient.
<DT><B>Returns:</B><DD>True if successfully completed, false if not.
<DT><B>Throws:</B>
<DD><CODE><A HREF="../../../../../org/apache/commons/net/smtp/SMTPConnectionClosedException.html" title="class in org.apache.commons.net.smtp">SMTPConnectionClosedException</A></CODE> - If the SMTP server prematurely closes the connection as a result
of the client being idle or some other reason causing the server
to send SMTP reply code 421. This exception may be caught either
as an IOException or independently as itself.
<DD><CODE><A HREF="file:///usr/share/doc/default-jdk-doc/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</A></CODE> - If an I/O error occurs while either sending a
command to the server or receiving a reply from the server.</DL>
</DD>
</DL>
<HR>
<A NAME="addRecipient(java.lang.String)"><!-- --></A><H3>
addRecipient</H3>
<PRE>
public boolean <B>addRecipient</B>(<A HREF="file:///usr/share/doc/default-jdk-doc/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A> address)
throws <A HREF="file:///usr/share/doc/default-jdk-doc/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</A></PRE>
<DL>
<DD>Add a recipient for a message using the SMTP RCPT command, the
recipient's email address. The sender must be set first before any
recipients may be specified, otherwise the mail server will reject
your commands.
<p>
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>address</CODE> - The recipient's email address.
<DT><B>Returns:</B><DD>True if successfully completed, false if not.
<DT><B>Throws:</B>
<DD><CODE><A HREF="../../../../../org/apache/commons/net/smtp/SMTPConnectionClosedException.html" title="class in org.apache.commons.net.smtp">SMTPConnectionClosedException</A></CODE> - If the SMTP server prematurely closes the connection as a result
of the client being idle or some other reason causing the server
to send SMTP reply code 421. This exception may be caught either
as an IOException or independently as itself.
<DD><CODE><A HREF="file:///usr/share/doc/default-jdk-doc/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</A></CODE> - If an I/O error occurs while either sending a
command to the server or receiving a reply from the server.</DL>
</DD>
</DL>
<HR>
<A NAME="sendMessageData()"><!-- --></A><H3>
sendMessageData</H3>
<PRE>
public <A HREF="file:///usr/share/doc/default-jdk-doc/api/java/io/Writer.html?is-external=true" title="class or interface in java.io">Writer</A> <B>sendMessageData</B>()
throws <A HREF="file:///usr/share/doc/default-jdk-doc/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</A></PRE>
<DL>
<DD>Send the SMTP DATA command in preparation to send an email message.
This method returns a DotTerminatedMessageWriter instance to which
the message can be written. Null is returned if the DATA command
fails.
<p>
You must not issue any commands to the SMTP server (i.e., call any
(other methods) until you finish writing to the returned Writer
instance and close it. The SMTP protocol uses the same stream for
issuing commands as it does for returning results. Therefore the
returned Writer actually writes directly to the SMTP connection.
After you close the writer, you can execute new commands. If you
do not follow these requirements your program will not work properly.
<p>
You can use the provided
<A HREF="../../../../../org/apache/commons/net/smtp/SimpleSMTPHeader.html" title="class in org.apache.commons.net.smtp"><CODE>SimpleSMTPHeader</CODE></A>
class to construct a bare minimum header.
To construct more complicated headers you should
refer to RFC 822. When the Java Mail API is finalized, you will be
able to use it to compose fully compliant Internet text messages.
The DotTerminatedMessageWriter takes care of doubling line-leading
dots and ending the message with a single dot upon closing, so all
you have to worry about is writing the header and the message.
<p>
Upon closing the returned Writer, you need to call
<A HREF="../../../../../org/apache/commons/net/smtp/SMTPClient.html#completePendingCommand()"><CODE>completePendingCommand() </CODE></A>
to finalize the transaction and verify its success or failure from
the server reply.
<p>
<P>
<DD><DL>
<DT><B>Returns:</B><DD>A DotTerminatedMessageWriter to which the message (including
header) can be written. Returns null if the command fails.
<DT><B>Throws:</B>
<DD><CODE><A HREF="../../../../../org/apache/commons/net/smtp/SMTPConnectionClosedException.html" title="class in org.apache.commons.net.smtp">SMTPConnectionClosedException</A></CODE> - If the SMTP server prematurely closes the connection as a result
of the client being idle or some other reason causing the server
to send SMTP reply code 421. This exception may be caught either
as an IOException or independently as itself.
<DD><CODE><A HREF="file:///usr/share/doc/default-jdk-doc/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</A></CODE> - If an I/O error occurs while either sending a
command to the server or receiving a reply from the server.</DL>
</DD>
</DL>
<HR>
<A NAME="sendShortMessageData(java.lang.String)"><!-- --></A><H3>
sendShortMessageData</H3>
<PRE>
public boolean <B>sendShortMessageData</B>(<A HREF="file:///usr/share/doc/default-jdk-doc/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A> message)
throws <A HREF="file:///usr/share/doc/default-jdk-doc/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</A></PRE>
<DL>
<DD>A convenience method for sending short messages. This method fetches
the Writer returned by <A HREF="../../../../../org/apache/commons/net/smtp/SMTPClient.html#sendMessageData()"><CODE>sendMessageData() </CODE></A>
and writes the specified String to it. After writing the message,
this method calls <A HREF="../../../../../org/apache/commons/net/smtp/SMTPClient.html#completePendingCommand()"><CODE>completePendingCommand() </CODE></A>
to finalize the transaction and returns
its success or failure.
<p>
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>message</CODE> - The short email message to send.
<DT><B>Returns:</B><DD>True if successfully completed, false if not.
<DT><B>Throws:</B>
<DD><CODE><A HREF="../../../../../org/apache/commons/net/smtp/SMTPConnectionClosedException.html" title="class in org.apache.commons.net.smtp">SMTPConnectionClosedException</A></CODE> - If the SMTP server prematurely closes the connection as a result
of the client being idle or some other reason causing the server
to send SMTP reply code 421. This exception may be caught either
as an IOException or independently as itself.
<DD><CODE><A HREF="file:///usr/share/doc/default-jdk-doc/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</A></CODE> - If an I/O error occurs while either sending a
command to the server or receiving a reply from the server.</DL>
</DD>
</DL>
<HR>
<A NAME="sendSimpleMessage(java.lang.String, java.lang.String, java.lang.String)"><!-- --></A><H3>
sendSimpleMessage</H3>
<PRE>
public boolean <B>sendSimpleMessage</B>(<A HREF="file:///usr/share/doc/default-jdk-doc/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A> sender,
<A HREF="file:///usr/share/doc/default-jdk-doc/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A> recipient,
<A HREF="file:///usr/share/doc/default-jdk-doc/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A> message)
throws <A HREF="file:///usr/share/doc/default-jdk-doc/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</A></PRE>
<DL>
<DD>A convenience method for a sending short email without having to
explicitly set the sender and recipient(s). This method
sets the sender and recipient using
<A HREF="../../../../../org/apache/commons/net/smtp/SMTPClient.html#setSender(org.apache.commons.net.smtp.RelayPath)"><CODE>setSender </CODE></A> and
<A HREF="../../../../../org/apache/commons/net/smtp/SMTPClient.html#addRecipient(org.apache.commons.net.smtp.RelayPath)"><CODE>addRecipient </CODE></A>, and then sends the
message using <A HREF="../../../../../org/apache/commons/net/smtp/SMTPClient.html#sendShortMessageData(java.lang.String)"><CODE>sendShortMessageData </CODE></A>.
<p>
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>sender</CODE> - The email address of the sender.<DD><CODE>recipient</CODE> - The email address of the recipient.<DD><CODE>message</CODE> - The short email message to send.
<DT><B>Returns:</B><DD>True if successfully completed, false if not.
<DT><B>Throws:</B>
<DD><CODE><A HREF="../../../../../org/apache/commons/net/smtp/SMTPConnectionClosedException.html" title="class in org.apache.commons.net.smtp">SMTPConnectionClosedException</A></CODE> - If the SMTP server prematurely closes the connection as a result
of the client being idle or some other reason causing the server
to send SMTP reply code 421. This exception may be caught either
as an IOException or independently as itself.
<DD><CODE><A HREF="file:///usr/share/doc/default-jdk-doc/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</A></CODE> - If an I/O error occurs while either sending a
command to the server or receiving a reply from the server.</DL>
</DD>
</DL>
<HR>
<A NAME="sendSimpleMessage(java.lang.String, java.lang.String[], java.lang.String)"><!-- --></A><H3>
sendSimpleMessage</H3>
<PRE>
public boolean <B>sendSimpleMessage</B>(<A HREF="file:///usr/share/doc/default-jdk-doc/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A> sender,
<A HREF="file:///usr/share/doc/default-jdk-doc/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A>[] recipients,
<A HREF="file:///usr/share/doc/default-jdk-doc/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A> message)
throws <A HREF="file:///usr/share/doc/default-jdk-doc/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</A></PRE>
<DL>
<DD>A convenience method for a sending short email without having to
explicitly set the sender and recipient(s). This method
sets the sender and recipients using
<A HREF="../../../../../org/apache/commons/net/smtp/SMTPClient.html#setSender(org.apache.commons.net.smtp.RelayPath)"><CODE>setSender </CODE></A> and
<A HREF="../../../../../org/apache/commons/net/smtp/SMTPClient.html#addRecipient(org.apache.commons.net.smtp.RelayPath)"><CODE>addRecipient </CODE></A>, and then sends the
message using <A HREF="../../../../../org/apache/commons/net/smtp/SMTPClient.html#sendShortMessageData(java.lang.String)"><CODE>sendShortMessageData </CODE></A>.
<p>
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>sender</CODE> - The email address of the sender.<DD><CODE>recipients</CODE> - An array of recipient email addresses.<DD><CODE>message</CODE> - The short email message to send.
<DT><B>Returns:</B><DD>True if successfully completed, false if not.
<DT><B>Throws:</B>
<DD><CODE><A HREF="../../../../../org/apache/commons/net/smtp/SMTPConnectionClosedException.html" title="class in org.apache.commons.net.smtp">SMTPConnectionClosedException</A></CODE> - If the SMTP server prematurely closes the connection as a result
of the client being idle or some other reason causing the server
to send SMTP reply code 421. This exception may be caught either
as an IOException or independently as itself.
<DD><CODE><A HREF="file:///usr/share/doc/default-jdk-doc/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</A></CODE> - If an I/O error occurs while either sending a
command to the server or receiving a reply from the server.</DL>
</DD>
</DL>
<HR>
<A NAME="logout()"><!-- --></A><H3>
logout</H3>
<PRE>
public boolean <B>logout</B>()
throws <A HREF="file:///usr/share/doc/default-jdk-doc/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</A></PRE>
<DL>
<DD>Logout of the SMTP server by sending the QUIT command.
<p>
<P>
<DD><DL>
<DT><B>Returns:</B><DD>True if successfully completed, false if not.
<DT><B>Throws:</B>
<DD><CODE><A HREF="../../../../../org/apache/commons/net/smtp/SMTPConnectionClosedException.html" title="class in org.apache.commons.net.smtp">SMTPConnectionClosedException</A></CODE> - If the SMTP server prematurely closes the connection as a result
of the client being idle or some other reason causing the server
to send SMTP reply code 421. This exception may be caught either
as an IOException or independently as itself.
<DD><CODE><A HREF="file:///usr/share/doc/default-jdk-doc/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</A></CODE> - If an I/O error occurs while either sending a
command to the server or receiving a reply from the server.</DL>
</DD>
</DL>
<HR>
<A NAME="reset()"><!-- --></A><H3>
reset</H3>
<PRE>
public boolean <B>reset</B>()
throws <A HREF="file:///usr/share/doc/default-jdk-doc/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</A></PRE>
<DL>
<DD>Aborts the current mail transaction, resetting all server stored
sender, recipient, and mail data, cleaing all buffers and tables.
<p>
<P>
<DD><DL>
<DT><B>Returns:</B><DD>True if successfully completed, false if not.
<DT><B>Throws:</B>
<DD><CODE><A HREF="../../../../../org/apache/commons/net/smtp/SMTPConnectionClosedException.html" title="class in org.apache.commons.net.smtp">SMTPConnectionClosedException</A></CODE> - If the SMTP server prematurely closes the connection as a result
of the client being idle or some other reason causing the server
to send SMTP reply code 421. This exception may be caught either
as an IOException or independently as itself.
<DD><CODE><A HREF="file:///usr/share/doc/default-jdk-doc/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</A></CODE> - If an I/O error occurs while either sending a
command to the server or receiving a reply from the server.</DL>
</DD>
</DL>
<HR>
<A NAME="verify(java.lang.String)"><!-- --></A><H3>
verify</H3>
<PRE>
public boolean <B>verify</B>(<A HREF="file:///usr/share/doc/default-jdk-doc/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A> username)
throws <A HREF="file:///usr/share/doc/default-jdk-doc/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</A></PRE>
<DL>
<DD>Verify that a username or email address is valid, i.e., that mail
can be delivered to that mailbox on the server.
<p>
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>username</CODE> - The username or email address to validate.
<DT><B>Returns:</B><DD>True if the username is valid, false if not.
<DT><B>Throws:</B>
<DD><CODE><A HREF="../../../../../org/apache/commons/net/smtp/SMTPConnectionClosedException.html" title="class in org.apache.commons.net.smtp">SMTPConnectionClosedException</A></CODE> - If the SMTP server prematurely closes the connection as a result
of the client being idle or some other reason causing the server
to send SMTP reply code 421. This exception may be caught either
as an IOException or independently as itself.
<DD><CODE><A HREF="file:///usr/share/doc/default-jdk-doc/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</A></CODE> - If an I/O error occurs while either sending a
command to the server or receiving a reply from the server.</DL>
</DD>
</DL>
<HR>
<A NAME="listHelp()"><!-- --></A><H3>
listHelp</H3>
<PRE>
public <A HREF="file:///usr/share/doc/default-jdk-doc/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A> <B>listHelp</B>()
throws <A HREF="file:///usr/share/doc/default-jdk-doc/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</A></PRE>
<DL>
<DD>Fetches the system help information from the server and returns the
full string.
<p>
<P>
<DD><DL>
<DT><B>Returns:</B><DD>The system help string obtained from the server. null if the
information could not be obtained.
<DT><B>Throws:</B>
<DD><CODE><A HREF="../../../../../org/apache/commons/net/smtp/SMTPConnectionClosedException.html" title="class in org.apache.commons.net.smtp">SMTPConnectionClosedException</A></CODE> - If the SMTP server prematurely closes the connection as a result
of the client being idle or some other reason causing the server
to send SMTP reply code 421. This exception may be caught either
as an IOException or independently as itself.
<DD><CODE><A HREF="file:///usr/share/doc/default-jdk-doc/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</A></CODE> - If an I/O error occurs while either sending a
command to the server or receiving a reply from the server.</DL>
</DD>
</DL>
<HR>
<A NAME="listHelp(java.lang.String)"><!-- --></A><H3>
listHelp</H3>
<PRE>
public <A HREF="file:///usr/share/doc/default-jdk-doc/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A> <B>listHelp</B>(<A HREF="file:///usr/share/doc/default-jdk-doc/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A> command)
throws <A HREF="file:///usr/share/doc/default-jdk-doc/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</A></PRE>
<DL>
<DD>Fetches the help information for a given command from the server and
returns the full string.
<p>
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>command</CODE> - The command on which to ask for help.
<DT><B>Returns:</B><DD>The command help string obtained from the server. null if the
information could not be obtained.
<DT><B>Throws:</B>
<DD><CODE><A HREF="../../../../../org/apache/commons/net/smtp/SMTPConnectionClosedException.html" title="class in org.apache.commons.net.smtp">SMTPConnectionClosedException</A></CODE> - If the SMTP server prematurely closes the connection as a result
of the client being idle or some other reason causing the server
to send SMTP reply code 421. This exception may be caught either
as an IOException or independently as itself.
<DD><CODE><A HREF="file:///usr/share/doc/default-jdk-doc/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</A></CODE> - If an I/O error occurs while either sending a
command to the server or receiving a reply from the server.</DL>
</DD>
</DL>
<HR>
<A NAME="sendNoOp()"><!-- --></A><H3>
sendNoOp</H3>
<PRE>
public boolean <B>sendNoOp</B>()
throws <A HREF="file:///usr/share/doc/default-jdk-doc/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</A></PRE>
<DL>
<DD>Sends a NOOP command to the SMTP server. This is useful for preventing
server timeouts.
<p>
<P>
<DD><DL>
<DT><B>Returns:</B><DD>True if successfully completed, false if not.
<DT><B>Throws:</B>
<DD><CODE><A HREF="../../../../../org/apache/commons/net/smtp/SMTPConnectionClosedException.html" title="class in org.apache.commons.net.smtp">SMTPConnectionClosedException</A></CODE> - If the SMTP server prematurely closes the connection as a result
of the client being idle or some other reason causing the server
to send SMTP reply code 421. This exception may be caught either
as an IOException or independently as itself.
<DD><CODE><A HREF="file:///usr/share/doc/default-jdk-doc/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</A></CODE> - If an I/O error occurs while either sending a
command to the server or receiving a reply from the server.</DL>
</DD>
</DL>
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