Re: [AMaViS-user] Advanced Rule...

Hi Dustin,

Dustin Humm wrote:
> We protect roughly 25 domains with postfix/amavis/spamassassin. All of
> these domains need to be able to talk to one another. Although we are
> using this system for incoming mail only, we, obviously, need to allow
> communication between the domains that we protect. What we are running
> into is a situation where spammers send an email destined for DOMAIN.COM
> and use DOMAIN.COM as the (spoofed) sender address. This hits our
> whitelist, etc. and is inevitably passed through the system...

If I understood your problem correctly, the problem are spoofed
senders. I think you should look into SPF and similar techniques and
do not accept mail from your domains which do not come from one of
your mail servers. This is imho more a MTA configuration thing.

> As I said, I've tried to accomplish this using meta rules in SA, but
> have not had any (good) luck...

I think, a SA rule should work, too. Can you explain your problems
with that in more detail please? (Although I think SPF is the better
way to approach your problem.)

--
Felix



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