[Mailman-Users] About Spam Filtering

Mark Sapiro mark at msapiro.net
Tue Jan 29 23:33:11 CET 2013

METU E-List Admin wrote:
>In some of our lists, we are receiving excessive spam messages. We 
>analyzed the spam messages and found that they have similar headers. As 
>a result, we developed the following list:
>^X-Mailer: (?!Microsoft Outlook .*)$
>^X-mailer: .*$

This includes the one above it.

>^X-Mailer-LID: .*$
>^X-Mailer-RecptId: .*$
>^X-Mailer-SID: .*$
>^X-Mailer-Sent-By: .*$
>^X-Spam-Status: Yes.*$
>^X-Spam-Flag: YES
>^X-Virus-Status: Yes
>We don't want to receive any mails from external mail systems, only real 
>persons can send emails.
>We enter this list to the bounce_matching_headers part (in the admin 
>panel, under Spam Filtering).

bounce_matching_headers doesn't work that way. See the '(Details for
bounce_matching_headers' link.

Regexps like the above should go in header_filter_rules with an
appropriate action.

Mark Sapiro <mark at msapiro.net>        The highway is for gamblers,
San Francisco Bay Area, California    better use your sense - B. Dylan

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