Sendmail Weirdness on 6.2 (Duplicate Emails)

Chuck Swiger cswiger at
Thu Feb 1 04:53:56 UTC 2007

Tom Grove wrote:
> It seems as though something in my setup or in Sendmail 8.13.8 is 
> causing certain domains, namely Hotmail, to keep sending messages over 
> and over up to 15 times.  Each message is accepted and sent to the 
> user.  The MX is just a machine that has 6.2, spamassassin, clamav, 
> milter-regex and some dnsbl stuff.  It then relays mail to the imap/pop 
> server for user retrieval.  I have no idea what could be going on here.
> Anyone else had similar issues?

Nope.  You should probably confirm that it isn't/wasn't a problem with Hotmail 
rather than with your local configuration.  Provide log output from the 
/var/log/maillog showing more details and provide at least the list of 
troublesome message-IDs to <postmaster at>....


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