If your MTA is capable, set the "HELO" response time to >30 seconds
after initiation of an SMTP connection. This actually is rather
effective in knocking many spambots (infected PC's in particular) from
trying to deliver email to your server/MTA.
If your MTA supports "badfrom" blacklists, contact me and I'll see if I
have something useful (current list > 300k addresses & domains) which I
would happily share. (not all my source, but I'd be willing to dig the
original sources back up and share as well).
Good luck!
andy
On 04/01/2011 06:40 AM, John Dakos wrote:
Hello PF+FreeBSD
Is any package for AntiSpam on PFsense?
We have a lot of spams on our mail servers
Thanks
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