Delay due to greylisting (was Re: [Mimedefang] Need advise on how to proceed.)
David F. Skoll
dfs at roaringpenguin.com
Mon Jun 14 17:29:44 EDT 2004
On Mon, 14 Jun 2004, Chris Myers wrote:
> If you get mail from different people most of the time, greylisting will
> slow things down. If you get mail from substantially the same group of
> people all the time, it's *perfect*.
If you assign a second IP address and name to your mail server
(possibly using a virtual interface), and publish it as a secondary MX
record, then the delay introduced by greylisting will be minimal, as
legitimate mail servers fall back to the secondary MX.
This assumes, of course, that you don't impose a "quiet time" between
retries.
Regards,
David.
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