* polloxx <[email protected]> 2013.01.04 14:56:

> Some of our users are complaining mails have a large delay, especially
> those from providers like gmail. This is because these use different
> IP addresses on each delivery attempt.
> Using listgrey is not an option.
> 
> Anyone who has a solution for this?

You haven't told us what you piece of software you are using to
greylist. Postgrey for instance can overcome such problems
with 'client_whitelists' and a little regex magic.

Or religiously, don't use greylisting at all but postscreen:

http://www.postfix.org/POSTSCREEN_README.html

Regards
Thomas

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