Plant, Dean a écrit :
> Hi list,
>
> I have a requirement for a mail server that only allows email to pass
> with a particular word in the subject line.
>
> Reading the header checks docs for Postfix I thought I may be able to
> add this rule:
>
> !/^Subject: .*dingdong/ REJECT Need to add dingdong to subject line to
> send
>
> Which should reject all mail unless the subject line contains
> "dingdong". Unfortunately this seems to block all mail from passing.
>
if /^Subject:/
!/dingdong/ REJECT blah blah
endif
> Removing the "!" works as expected and the server allows all mail to
> pass, unless dingdong is in the subject line which is rejected.
>
> Is this rule valid? Or is there a better way to make this work?
>
the rule is (syntactically) valid. but it doesn't do what you want. take
the following header:
Date: Tue, 13 Jan 2009 15:51:40 -0000
does it contain "dingdong"? does it start with "Subject"? so it's a REJECT.
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