[Mailman-Users] About Spam Filtering
METU E-List Admin
listeyon at metu.edu.tr
Wed Jan 30 13:53:37 CET 2013
I have added
^X-Mailer: (?!Microsoft Outlook .*)$
as the first rule and set to Hold according to your instructions.
I tried to block all mails except the mails from MS Outlook. However
today, I received an email with header like:
X-Mailer: Microsoft CDO for Windows 2000
I couldn't understand why this header did not go to pending moderator
requests.
On 01/30/2013 12:33 AM, Mark Sapiro wrote:
> 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.
>
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