David Sánchez Martín wrote:
Just a matter of curiosity,
Why 53 seconds?, why not 300 (5 minutes), since every mta I know retries in
more than 5 minutes ?
Did you use spamdyke for this?
The graylisting in spamdyke, afaik, acts only on e-mail addresses (the
From+To addresses), and not IP's, and I'm interested in knowing your
experiences with it.
I do not use spamdyke on these systems.
Why 53 seconds? Because when you're blocked, you'll retry in 300
seconds. If greylisting was going to block any spam, it would have done
so with a 2 second delay. And my users complain when mail is delayed.
I greylist on these machines by IP address, and as I said, greylisting
on these servers seems to only block about 1% of the spam.
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