From: D Hill (no email)
Date: Thu Apr 10 2008 - 17:19:30 EDT
On Thu, 10 Apr 2008 at 17:12 -0400, confabulated:
> I recently posted on here an extreme losing battle I had with SPAM. Well it
> turned out I was a huge open relay for SPAM from all over the world. I had a
> friend swing by and look at my main.cf and he recommended I do some massive
> cleanup on my main.cf. Since the changes were made, we have had a 98%
> reduction in SPAM. It is crazy how much faster our email server is when the
> entire world was not relaying to it...
> This being said, I am still not using Spamassassin or anything but RBL in my
> main.cf. I am still getting a few SPAM messages but nowhere near what we had
> 2 weeks ago since I last posted here.
> I am now just wondering if anyone sees anything else from my main.cf that
> can be improved upon or perhaps you see something that just does not make
> sense. I am reading The Book of Postfix and it recommends a lot of great
> stuff but I am only a few chapters deep.
> Anyways - for anyone who does not mind spreading some useful suggestions to
> a newbie Postfix admin, this would be greatly appreciated!
> smtpd_client_restrictions =
> reject_rbl_client bl.spamcop.net,
> reject_rbl_client zen.spamhaus.org,
> reject_rbl_client safe.dnsbl.sorbs.net,
> reject_rbl_client cbl.abuseat.org,
> reject_rbl_client list.dsbl.org
You can remove cbl.abuseat.org. It is included in zen.spamhaus.org.