Postfix error after upgrading

Discussion in 'Installation/Configuration' started by dejan.b, Jun 25, 2012.

  1. dejan.b

    dejan.b New Member


    Recently i ugraded one more Debian server from Debian 5 to 6 and i upgraded ISPConfig too.

    Now i'm issuing problem with postfix i can receive mails but i can't send them.
    In logs i see this error message:

    server postfix/smtp[10985]: C16083940ED: to=<[email protected]>, relay=none, delay=481, delays=376/0.12/105/0, dsn=4.4.1, status=deferred (connect to[]:25: Connection timed out)

    It always show connection timed out, to every server (yahoo, live)etc...

    I don't have firewall, my ISP doesn't block any ports too...

  2. till

    till Super Moderator Staff Member ISPConfig Developer

    Please post the exact error messages from the mail.log file.
  3. dejan.b

    dejan.b New Member

    I don't have error messages in mail.log, only in syslog, this message above is from syslog...

  4. Mark_NL

    Mark_NL New Member

    Try to telnet to the gmail server from your box. You should get something like this:

    mark@hosting02:~$ telnet 25
    Connected to
    Escape character is '^]'.
    220 ESMTP wt7si10573359pbc.352

    if that doesn't work, try to ping If that works, your ISP mostlikely blocks port 25 to servers that are not owned by the ISP (which is pretty common nowadays).

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