Julien Beauviala wrote:
>
> Bonsoir, hopefully a simple question. I'm having a bit of trouble with
> "the spam that wouldn't take no for an answer". I've run out of ideas
> on the postfix side of things to make this guy stop poluting the logs.
> Is there a way to block this at a higher level *within postfix*, as in
> "don't listen to that bunch of ips for about a week" ?
>
> Here is what I get. The mail is first blocked using the
> smtpd_client_restrictions mechanism (it would have been blocked
> further down by a header_checks anyway, trying to spare ressources).

What you implemented is the best method IMHO. Other methods are outside
postfix. If you don't want "log polution", use your OS firewall. For
example, on linux & ipchains, this will be one line like:

 # ipchains -I input -p tcp -s 152.163.225.133 --dport 25 -j DENY

(use e.g. 152.163.225.0/24 if you want to block the whole net).

Nothing more you can do at postfix side.

Regards,
 Michael.
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