It seems that I have fixed the duplication problem that I was having. I
figured I'd post a report of what was wrong and just give all of you a
hearty thanks for your help.
Apparenly, as I reported last night, the problem was releated to the
periodic attemp to deliver queued mail. As it turns out, sendmail
defaulted to rewriting the queue every 10 successful deliveries.
Unfortunately, if sendmail invoked itself to clear the queue, any
messages that had been delivered but not deleted from the queue would get
delivered again.
The solution was to use the -oC1 option (or the OC option in
/etc/sendmail.cf) instructng sendmail to rewrite the queue after EACH
successful delivery of mail. That way when the periodic queue clearing
process starts, there won't be any delivered-but-stagnant mail in the
queue.
Unfortunately, neither the man page nor the .ps file that comes with it
is very clear on this point. Norm Aleks <naleks@papaya.ummed.edu> was
kind enough to dig out his Bat Book and pass the information along.
Thanks everyone to all of your suggestions and help. It was most
appreciated.
____ Robert A. Hayden <=> hayden@vorlon.mankato.msus.edu
\ /__ -=-=-=-=- <=> -=-=-=-=-
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