>> Thanks Sam, never had to look at this stuff before. We had a phishing
>> spam
>> where just one client answered with her auth details and in about 8
>> hours
>> 660K spams were sent via her account before I manually blocked the
>> sending IP
>> and cancelled the mailq messages. Normal users would never be sending at
>> 80K
>> per hour...
...
>> Anyone have any suggestions how to prevent this kind of abuse?

> There's nothing there that can be readily used for something like this. I
> suppose one can hack up a perlfilter script that counts messages from each
> authenticated user.


I use fail2ban (http://www.fail2ban.org/) for that purpose.
You can set your log line regexps, and it works!


-- 
Dino Ciuffetti
Linux System Administrator and Architect
TuxWeb S.r.l. - http://www.tuxweb.it/



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