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Addresses with the same domain as my vhost are causing Postfix and QMail to revert to a local network instead of just outright sending the mail. I thought I had this problem fixed with the Luke Tarplin method, but commenting out those lines in the /etc/postfix/main.cf have stopped working since the 10.4.4 update to PLESK for some reason.

I've seen other suggestions including adding MX records, modifying the main.cf in different ways. I know very little about MTA's and even less about DNS settings.

Does anyone have any advice on a solution to making Postfix treat all email recipients the same and just send the email instead of reverting to local?

Below is from my maillog, I have it sending to 2 emails, 1 a gmail, one with the same address as a vhost. As you can see, one gets sent, one does not.

Aug  2 05:52:27 server1 postfix/pickup[5242]: C2187750: uid=10013 from=<thermo-ta-ftp>
Aug  2 05:52:27 server1 postfix/cleanup[5498]: C2187750: message-id=
 <20120802095227.C2187750@server1.onlinehome-server.com>
Aug  2 05:52:27 server1 postfix/qmgr[32727]: C2187750: 
 from=<thermo-ta- ftp@server1.onlinehome-server.com>, size=1063, nrcpt=2 (queue active)
Aug  2 05:52:27 server1 postfix-local[5503]: postfix-local: 
 from=thermo-ta-ftp@server1.onlinehome-server.com, to=info@company.com, 
 dirname=/var/qmail/mailnames
Aug  2 05:52:27 server1 postfix-local[5503]: cannot chdir to mailname dir info: No such
  file or directory
Aug  2 05:52:27 server1 postfix-local[5503]: Unknown user: info@company.com
Aug  2 05:52:27 server1 postfix/pipe[5501]: C2187750: to=<info@company.com>, 
 relay=plesk_virtual, delay=0.17, delays=0.11/0/0/0.06, dsn=2.0.0, status=sent 
 (delivered via plesk_virtual service)
Aug  2 05:52:28 server1 postfix/smtp[5502]: certificate verification failed for gmail-
 smtp-in.l.google.com[209.85.225.26]:25: untrusted issuer /C=US/O=Equifax/OU=Equifax
  Secure Certificate Authority
Aug  2 05:52:29 server1 postfix/smtp[5502]: C2187750: to=<regular.address@gmail.com>,
  relay=gmail-smtp-in.l.google.com[209.85.225.26]:25, delay=1.6, 
 delays=0.11/0.01/0.29/1.2, dsn=2.0.0, status=sent (250 2.0.0 OK 1343901326 
 s4si23521367igw.27)
Aug  2 05:52:29 server1 postfix/qmgr[32727]: C2187750: removed

UPDATE: This is 100% a PLESK issue, and it applies to almost all versions of 10 and 11. The QMail MTA also reverts to a local handler if the vhost domain matches the email recipient.

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closed as off-topic by masegaloeh, mdpc, HopelessN00b Mar 18 at 1:19

This question appears to be off-topic. The users who voted to close gave this specific reason:

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1 Answer 1

Aug 2 05:52:27 server1 postfix-local[5503]: postfix-local:
from=thermo-ta-ftp@server1.onlinehome-server.com, to=info@company.com, dirname=/var/qmail/mailnames
Aug 2 05:52:27 server1 postfix-local[5503]: cannot chdir to mailname dir info: No such file or directory
Aug 2 05:52:27 server1 postfix-local[5503]: Unknown user: info@company.com

The beguiling name of "postfix-local" notwithstanding, this is not a postfix component, but a plesk $something.

The fact that it accepts mail and then does not deliver it should tell you enough about the dependability of this software :)

Couple that with the fact that "dirname=/var/qmail/mailnames" does not look like a postfix-related item at all, and I doubt that there is anything in postfix causing this issue.

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Hmmm, that makes more sense beings what this error didn't start occurring until PLESK updated, but I did "fix" it the first time by modifying the main.cf of Postfix. I appreciate your insight. –  RCNeil Aug 2 '12 at 15:57

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