[Mailman-Users] Trapping posts with no subject, and an apology

[Mike Maughan]

Thanks again, Mark.

I've implemented the recommendations; now all I have to do is decipher your
regex :))

- Mike

On 23/03/07, Mark Sapiro <msapiro at value.net> wrote:
>
> Mike Maughan wrote:
> >
> >The cases I'd like to trap are:
> >
> >   1. empty subject
> >   2. (no subject)
> >   3. (no_subject)
> >
> >Is there an easy way?  Am I (as has been known on occasion :) missing
> >something obvious?
>
>
> You can trap all 3 of the above cases with a header_filter_rules rule
> with the regexp
>
> $subject:\s*(\(no[_ ]subject\))?\s*$
>
> but there is a 4th case which this won't get which is the case where
> the message contains no Subject: header at all. See
> <http://mail.python.org/pipermail/mailman-users/2007-March/056119.html>
> fo more information on how to deal with this case.
>
> See <http://docs.python.org/lib/re-syntax.html> for information about
> Python regular expressions.
>