> I suspect that as soon as greylisting became common, they did. On the
> other hand, if they retry after 5 minutes, they'd get caught again by
> every greylister I know (all 10 min or more). So the question is how
> much do they back off?
Yep, Postfix has a exponential backup, but it won't be
Ralf Hildebrandt writes:
> That's [do you mean 4 hours?] quite a lot. I know that postfx for
> example would rescan the queue after 300s (5m) and probably retry
> the message then (after an initial failure).
Well, I wouldn't be surprised if nowadays defaults are like that. I
haven't changed m
* Stephen J. Turnbull :
> That's mostly true. However, traditionally the first retry was set
> for 4 hours after the initial send. If Dreamhost has such a long
> retry delay, that could cause hours of out-of-order and certainly cut
> someone out of a hot and heavy discussion.
That's quite a lo
