[Greylist-users] Timing issues (was Re: Central Database)
eharris at puremagic.com
Thu Jun 26 18:02:15 PDT 2003
Due to this issue, (and some others) there is a new version of the sendmail
milter code available that allows you to set the initial delay to 0 seconds,
which will not tempfail at all (in case some of you aren't on the -announce
On Thu, 26 Jun 2003, Scott Nelson wrote:
> At 12:32 PM 6/26/03 -0400, you wrote:
> >On Thu, 26 Jun 2003, Scott Nelson wrote:
> >> Start with an initial delay of 1 minute.
> >Please note that even with an initial delay of 1 second on your end,
> >legitimate mail will be delayed by anywhere from 15 minutes to 4 hours or
> >more, depending on the retry interval of the sending relay.
> Well, it's not always a flat time.
> My mailer delays a different amount based on the number of attempts.
> I try at 0 minutes, 1 minute, 10 minutes, 1 hour, 2 hours, 3 hours,
> and every 4 hours thereafter.
> But yes, starting the window at 1 minute rarely results in delays
> of only 1 minute. At best, it's the minimum delay of the sender,
> which as you point out is usually more than 15 minutes,
> and has been observed as high as 4 hours in the wild.
> >This delay is inevitable and is the price of greylisting.
> >Users have to weigh the pros and cons themselves.
> Scott Nelson <scott at spamwolf.com>
> Greylist-users mailing list
> Greylist-users at lists.puremagic.com
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