/usr/share/vim/vim80/syntax/esmtprc.vim is in vim-runtime 2:8.0.1453-1ubuntu1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 | " Vim syntax file
" Language: Esmtp setup file (based on esmtp 0.5.0)
" Maintainer: Kornel Kielczewski <kornel@gazeta.pl>
" Last Change: 16 Feb 2005
" quit when a syntax file was already loaded
if exists("b:current_syntax")
finish
endif
"All options
syntax keyword esmtprcOptions hostname username password starttls certificate_passphrase preconnect identity mda
"All keywords
syntax keyword esmtprcIdentifier default enabled disabled required
"We're trying to be smarer than /."*@.*/ :)
syntax match esmtprcAddress /[a-z0-9_.-]*[a-z0-9]\+@[a-z0-9_.-]*[a-z0-9]\+\.[a-z]\+/
syntax match esmtprcFulladd /[a-z0-9_.-]*[a-z0-9]\+\.[a-z]\+:[0-9]\+/
"String..
syntax region esmtprcString start=/"/ end=/"/
highlight link esmtprcOptions Label
highlight link esmtprcString String
highlight link esmtprcAddress Type
highlight link esmtprcIdentifier Identifier
highlight link esmtprcFulladd Include
let b:current_syntax = "esmtprc"
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