[Mailman-Users] How to stop these Non-sense mails?

Jonathan Dill jonathan at nerds.net
Mon Feb 27 20:48:22 CET 2006

Two things you can do with Mailman though, depending on your version of 

1. if you don't need to allow non-members to post to the list, you can 
set the default action for non-member posts to "discard"

2. set up something like SpamAssassin, and then set up filters based on 
the SpamAssassin headers, for example "X-Spam-Flag: YES" is just discarded

I have #1 and #2 set up, so 99% of the time I just get an "autodiscard" 
notification, but I don't have to go into the admin interface and 
discard the posts there, so it saves a little time, plus these garbage 
posts aren't "piling up" waiting for me to moderate them.

Lastly--this is a web server thing and not a mailman thing--you may want 
to improve the security of your web server set up to prevent spammers 
from collecting the mailman admin addresses from the web interface, for 
example switch to SSL with at least a self-signed certificate, and 
restrict access to the web interface if possible.

Patrick Bogen wrote:

>On 2/26/06, Jim Popovitch <jimpop at yahoo.com> wrote:
>>Get some good spam prevention software.  Also make sure that your MTA is
>>properly validating who is sending you email (check for thinks like
>>reverse DNS lookups, RBL listings, SPF, DKIM, etc).
>Jim's presented you with what is basically the bottom line.
>>Kabilan L wrote:
>>>I am getting  lot spam-mails.The following are the examples.
>>>How can i stop these  things!!!
>Also, it should be noted that your issue is not really a Mailman
>issue, but rather a <insert your MTA here> issue.
>- Patrick Bogen
Jonathan Dill - The NERDS Group
Network Engineering & Resource Development Specialists, LLC
Cell: (240) 994-0012 Main: (301) 622-7995
Web: http://www.nerds.net

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