From: Wietse Venema (no email)
Date: Mon Sep 01 2003 - 12:27:44 EDT
David Bengtsson:
> Dear gurus,
>
> My friendly mailserver and domains are in trouble :-(
> I'm getting a huge amount of connections to port 25 right now. The problem
> seems to be that a spammer faking that he sends spam from my domain. The
> result is that Mailservers all over the world bounces messages to my server.
>
> How can I handle this situation?
I had this happen with a domain that I rarely use. I pointed the MX
record to the (Russian) spammer.
If you can't do that, be sure not to accept mail for a non-existent
address, set smtpd_hard_error_limit=1 and smtpd_error_sleep_time=0
in main.cf.
Wietse
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