On 02/24/2014 09:16 PM, cj yother wrote:
I ban no host name, no rDNS and failed login
attempts after 3 tries for 24 hours. It's made a measurable difference
on the load on the server.
What constitutes "no host name"? (I think I know what no rDNS is).
Failed login attempts are an entirely different animal, at least in the
context of this thread. Can you separate this aspect from the other 2
with regards to measurable difference?
You say measurable difference on the load. Can you share these measures?
(Be specific. It's not that I don't trust you of course. ;) )
Also, does your postfix configuration reject rDNS (or "no host name")
outright, or are these messages scanned? If they're not rejected
outright (without being scanned, or even accepted), I'm afraid that your
"measurable difference" would not be applicable when spamdyke is used.
spamdyke rejects these messages without even receiving them.
What say you?
Thanks.
--
-Eric 'shubes'
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