I know this is more of a question for the postfix forum but they seem to keep blocking my subscription attempts. Anyway the emails i am tring to send are supposed to be landing on a Zimbra server so i figure i should be able to post this here at Zimbra
Hello all i need to change the outgoing port used by postfix from 25 to 325. This is just a simple standalone postfix server no Zimbra involved.
I need to do this as my isp blocks outgoing port 25. My incoming isp the location of the Zimbra server where i want my mail to arrive forwards port 325 to port 25 just for occasions like these.
I know this has been discussed many times on many lists but i cannot get any of the posted solutions to work. Maybe i am encountering a different problem??
Here is a the simple break down need to send mail out on port 325
there is a firewall that is allowing all outbound traffic. As you can see from the output of the telnet command below that i can access the email server i wish to send mail to with port 325.
telnet mx1.canmail.org 325
Connected to mx1.canmail.org.
Escape character is '^]'.
220 mx1.canmail.org ESMTP Postfix
*****I have tried changing this in master.cf but is does not work think smtpd is inbound anyway.
#smtp inet n - - - - smtpd
325 inet n - - - - smtpd
Sep 18 19:05:45 bao postfix/smtp: 767BF32092: to=<email@example.com>, relay=none, delay=2113, delays=2083/0.07/30/0, dsn=4.4.1, status=deferred (connect to mx1.canmail.org[18.104.22.168]:25: Connection timed out)
*****I have also tried this thinking this might control outbound port but it does not work
#smtp unix - - - - - smtp
325 unix - - - - - smtp
Sep 18 19:08:31 bao postfix/pickup: 12D7B32094: uid=1000 from=<c0mputerking>
Sep 18 19:08:31 bao postfix/cleanup: 12D7B32094: message-id=<20080919010831.12D7B32094@bao.computerking.ca>
Sep 18 19:08:31 bao postfix/qmgr: 12D7B32094: from=<firstname.lastname@example.org>, size=343, nrcpt=1 (queue active)
Sep 18 19:08:31 bao postfix/qmgr: warning: connect to transport smtp: Connection refused
Sep 18 19:08:31 bao postfix/error: 12D7B32094: to=<email@example.com>, relay=none, delay=0.11, delays=0.08/0.01/0/0.02, dsn=4.3.0, status=deferred (mail transport unavailable)
*****I have tried adding this to my master.cf file but always get errors in my mail.log like below
fatal: /etc/postfix/master.cf: line 26: bad transport type: smtp:[boa.computerking.ca]:325
PLEASE PLEASE HELP
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