postfix-users

Rejecting when recipient is addressed to internal subdomain

Subject: Rejecting when recipient is addressed to internal subdomain
From: "Hilmi Hilmiev" <hhilmiev AT gmail DOT com>
To: postfix-users AT postfix DOT org
Date: Thu, 9 Aug 2007 00:56:20 +0300
Hello,

After quite some googling, I stil didn't find solution to my problem.

I have following situation:

domainA.com, domainB.com, domainC.com

I would like my postfix to delivery email to this domains and current configuration works just great. But from quite some time, I saw that there are a lot of SPAM that come addressed to "users" as example random_name AT subdomain.domainA DOT com or so.

What i would like is a kind of solution to REJECT all emails addressed to specific host, in my case *@ subdomain.domainA.com

All ideas are welcome.

Thanks in advance to everybody!
Hilmi
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