[Mimedefang] Sendmail::Milter

[Andrzej Adam Filip]

"David F. Skoll" <dfs at roaringpenguin.com> wrote:
> Andrzej Adam Filip wrote:
>
>>> Unfortunately, many aggressive anti-spam techniques that are perfectly
>>> usable for BOFHs on personal servers don't scale up to real systems
>>> with real users. :-(
>
>> You have assumed "no secondary MX", have not you?
>
> No.

Such "*very* aggressive" blocking connections only from "strangers" 
(in firewall/iptables) may have some sense on primary MX if postmaster
wants to limit most DDoS attacks to secondary MX and protect mails from
"well known friends" from being affected.

But I think that secondary MXes are slightly "out of fashion" :-)

-- 
[pl>en: Andrew] Andrzej Adam Filip : anfi at onet.eu
When in doubt, have a man come through the door with a gun in his hand.
  -- Raymond Chandler