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Diffstat (limited to 'doc/mailfromd.texi')
| -rw-r--r-- | doc/mailfromd.texi | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/doc/mailfromd.texi b/doc/mailfromd.texi index 51be5e3a..b9629c68 100644 --- a/doc/mailfromd.texi +++ b/doc/mailfromd.texi @@ -747,6 +747,24 @@ them as of functions in programming languages. Currently the following expressions are implemented: @table @code +@item dbmap @var{file} @var{atom} + @var{file} should be a literal string, @var{atom} an arbitrary +atom which evaluates to a valid string. This conditional returns +@code{true} if the key @var{atom} is present in the @acronym{DBM} file +@var{file}. If @var{atom} contains a @samp{@@} character, only the +part before this character will be used, thus allowing to check emails +against the aliases database: + +@smallexample +@group +if not dbmap "/etc/mail/aliases" $f + @dots{} +fi +@end group +@end smallexample + +Notice that @var{file} must not end in @samp{.db} suffix. + @item hostname @var{atom} @cindex @code{hostname} @var{atom} should be a string representing an IP address in |