ms-list at alexb.ch
Thu Sep 15 22:08:55 IST 2011
On 2011-09-15 13:53, Paul Kelly :: Blacknight wrote:
> Yes indeed.
> We'd probably run out of sockets / tcp src ports at the 6000 /
> messages / minute mark so it's not safe to use greet pause type
> I considered it and we use it on low traffic sendmail installs but
> for this I thought the kernel may explode.
Dunno about Sendmail, but Postfix caches the "good guys" in a DB and you
can use a CIDR file to "whitelist" IP ranges.
It's also very good at closing the bad connections.
My traffic is pretty much like yours at peak times and haven't run into
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