Thanks for the insight Larry. I think that some work nee3ds to be done on the filter at 100026
Ed >________________________________ > From: Larry Stone <lston...@stonejongleux.com> >To: "postfix-users@postfix.org Users" <postfix-users@postfix.org> >Sent: Tuesday, March 19, 2013 1:10 PM >Subject: Re: Duplicate Emails Sent RESTATED > >On Tue, 19 Mar 2013, Ed wrote: > >> Hi All. >> >> I am experiencing an issue with the following: >> >> The scenario: >> >> From: a...@site1.com >> To: b...@site2.com >> CC: m...@site3.com >> >> After receiving the email CC at site 3, site 3 is sending out emails to >> everyone on the original, >> basically a duplicate email arrives to the sender and everyone in the >> headers. > >You then include logs but it's hard to figure out what corresponds to site1, >site2, and site3. > >The logs appear to indicate that there are one or more content filters at >play. Noel pointed out what can happen if they're poorly designed. > >Postfix > >> Site 3 logs and postconf follows >> Logs >> ---------------------- >> Mar 14 10:27:41 mail postfix/cleanup[5265]: >> 10E7BE1C0A:message-id=<e72852ef80963148b21e9046e0c9bdc82863f...@mailbox-2010.secep.loc >> al> >> Mar 14 10:27:41 mail postfix/smtpd[5269]: disconnect from >> localhost[127.0.0.1] >> Mar 14 10:27:41 mail postfix/smtp[5266]: 44D90E014D: >> to=<edl...@cybered-corp.com>, relay=127.0.0.1[127.0.0.1]:10024, delay=6.5, >> delays=1.7/0.02/0/4.7, dsn=2.0.0, status=sent (250 2.0.0 Ok, id=03066-15, >> from MTA([127.0.0.1]:10025): 250 2.0.0 Ok: queued as 10E7BE1C0A) > >What's this. We see the queue ID reported by the recieving SMTP server in our >own logs. Is this just being handed off to our same Postfix instance on >another port? > >> Mar 14 10:27:41 mail postfix/qmgr[2179]: 44D90E014D: removed >> Mar 14 10:27:41 mail postfix/smtp[5270]: 10E7BE1C0A: >> to=<edl...@cybered-corp.com>, relay=127.0.0.1[127.0.0.1]:10026, delay=0.05, >> delays=0.03/0.02/0/0, dsn=2.0.0, status=sent (250 Ok) > >Handed off to a content filter at port 10026. > >> Mar 14 10:27:41 mail postfix/qmgr[2179]: 10E7BE1C0A: removed > >> Mar 14 10:27:41 mail postfix/smtpd[5272]: connect from localhost[127.0.0.1] >> Mar 14 10:27:41 mail postfix/smtpd[5272]: 4B9A3E1C0A: >> client=localhost[127.0.0.1] >> Mar 14 10:27:41 mail postfix/cleanup[5265]: >> 4B9A3E1C0A:message-id=<e72852ef80963148b21e9046e0c9bdc82863f...@mailbox-2010.secep.loc >> al> >> Mar 14 10:27:41 mail postfix/qmgr[2179]: 4B9A3E1C0A: >> from=<avery.rob...@secep.net>, size=7049, nrcpt=3 (queue active) > >And comes back from a content filter with 3 recipients. > >Seeing your master.cf might help too. But it's most likely the content filter >listening to port 10026. > >-- Larry Stone > lston...@stonejongleux.com > >