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Date:      Sun, 18 Jan 2009 19:53:39 +1100
From:      Scott Aitken <>
Subject:   disabling queuewarn DSN when mailhub delivers to specific host
Message-ID:  <>

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Hi all,

I have a mailhub (freebsd/sendmail) which accepts mail from the Internet,
then delivers to an exchange server, as well as keeping a local copy (using

If my exchange server is down for whatever reason, after confTO_QUEUEWARN
expires my mailhub sends the sender a delay DSN.

Because I consider this mail to have already been accepted into my network,
and has been delivered locally at least, can I configure sendmail to NOT send
the DSN?  Specifically I would like to do this on a per-host basis (ie, turn
it off when delays to the exchange server occur, but not for other (future)

I would still like delay DSNs sent from other mail Internet servers to get though to my
local users too.

Many thanks,
ps if you cc any responses to that would be great.

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