Re: [webmin-l] Mail Problems

[David B. <dw...@we...>]

Cary Robinson <ca...@cp...> wrote ..
> Would anybody here know to identify and block repetitive emails ?
> What I'm talking about is somebody sending hundreds of emails at a time
> to 
> one of my users. I wish it was as easy as an IP or domain block, but this
> person seems to be very proficient at spoofing an IP address. I flat can't
> find a way to identify the culprit other than setting up some kind of 
> filter that recognizes many repeats of the same message.
> 
> Any help or suggestions greatly appreciated
> 
> Thanks,
> Cary Robinson
> 
> ps... Jamie,
> Great book. Between Your's and Joe's books, I have been tackling all kinds
> of configuration issues that I have put off for a long time. The books
> really make it easy.
> 
> 
> 
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Hello Cary, you say your "users" does this mean you are running smtpd, hopefully, postfix? If you are running postfix your problem is easily solved. Qmail is not so easily solved but is solvable. Sendmail requires basically running your own DNSBL. Exchange I only mention because it should bring a good laugh. I am the only user on my system that gets SPAM. I want some spam that way my users don't get SPAM. If you are running postfix and you are interested I can work with you only eliminating SPAM but only at the smtpd gateway. I cannot stop SPAM on a user by user basis. Thanks, David.