> I think sendmail keeps trying to send mail for 4 days and then gives up
> with a bounce, so I do have some window of opportunity. I'll be trying to

        The timeouts of sendmail are defined in the config file
(/etc/mail/sendmail.cf in the latest version). For example, in one of my
machines it looks like the following:

# timeouts (many of these)
#lost of deleted lines.......
O Timeout.queuereturn=5d
O Timeout.queuewarn=4h

        It warns the users if it cannot send mail after 4 hours, and it
tries for 5 days. Many sites providing free email accounts have much
smaller timeouts. I have changed the warning times in some machines in
my system; users think that the mail has bounced back, so I put a bigger
time (about one day).

Pablo.
---------------------------------------------------------------------- 
Pablo Ares Gastesi. School of Mathematics, TIFR, Bombay 400 005, INDIA
[EMAIL PROTECTED]  http://www.math.tifr.res.in/~pablo/
Key fingerprint =  1A 7C 0A 22 5A 75 A4 78  62 6F 64 09 C1 A0 F7 E6
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