Re: [exim] Greylistd

On Wed, Nov 29, 2006, George Ascione wrote:

>>> I also think it is a significant mistake to only retain the
>>> information for 24 hours. If a server is proven to retry, why would
>>> you continue to greylist? At that point, the *only* thing you are
>>> accomplishing is delaying email. It is better to leave the
>>> information in there for 30 to 60 days, in my opinion, if
>> you know the
>>> server will retry properly.

>> Keeping white states for 30+ days has one certain merit - monthly
>> mailing list digests won't be throttled into oblivion.

>> My approach is keeping white entries for 36 days and temporarily
>> whitelisting hosts that push 5 messages into the white state.
> Are you using greylistd? If so how do you temporarily whitelist hosts that
> push 5 messages into the white state?

I'm using my own greylisting daemon written in Perl. I parse its logs
and refresh the whitelist database via cron.