man qmail-send, search for queuelifetime, or see
http://web.infoave.net/~dsill/lwq.html#retry-schedule

qmail follows the quadratic retry schedule until the message is older than
the max lifetime for the queue.  at that point, it tries one more delivery
and then bounces the message if it still fails.

one thing i'm curious about - whether or not you could set queuelifetime to,
say, 2 billion, and if that would essentially force qmail to retry forever
at longer and longer intervals.  is there any hardcoded queue lifetime
limit, or will qmail retry "forever" if queuelifetime is set high enough?

shag


----- Original Message -----
From: <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Wed 2 Feb 2000 14.48
Subject: Retry Schedule and bounce time?


Hello all qmailers!

I'm new to qmail, so I'm still getting my sea legs. One question that has
come up is how does qmail handle delivery problems and what schedule does it
use?

I think I've found the retry schedule...

t(0) = start time [secs]
t(i) = t(0) + (sqrt(t(i - 1) - t(0)) + 10)^2  [Local]
t(i) = t(0) + (sqrt(t(i - 1) - t(0)) + 20)^2  [Remote]

But I can't seem to find how qmail decides to give up on delivering a msg.
My experience is that it's around 3 days, but I'd like to know exactly.
Anyone know where/how this is handled ?

Thanks,

- Scott

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