mail queue does not deliver

Discussion in 'ISPConfig 3 Priority Support' started by Taleman, Apr 14, 2018.

  1. Taleman

    Taleman Well-Known Member HowtoForge Supporter

    I tried correcting e-mail settings yesterday, but seems the situation got worse.
    mail.log shows lots of stuff similar to these:
    Apr 14 10:02:00 posti amavis[29612]: (29612-12-8) Blocked MTA-BLOCKED {TempFailedInbound}, []:43926 [] <[email protected]> -> <[email protected]>, Queue-ID: 81AC6A00FA, Message-ID: <[email protected]>, mail_id: oEhuErZY-P3k, Hits: -0.1, size: 5435,, 23583 ms
    Apr 14 10:02:01 posti postfix/smtp[30095]: 81AC6A00FA: to=<[email protected]>, relay=[]:10024, conn_use=8, delay=52598, delays=52446/129/0/24, dsn=4.5.0, status=deferred (host[] said: 451 4.5.0 id=29612-12-8 - Temporary MTA failure on relaying, From MTA() during fwd-connect (No greeting, dt: 20.198 s): id=29612-12-8 (in reply to end of DATA command))
    I have not figured out why the mail does not get delivered.
    I changed stuff to comply what howto and manual said.
    [email protected]:~# postconf -n | grep mynetwork
    mynetworks = 12.34.567.192/27 [::1]/128
    There I had forgot to add my subnet. I tried also the IP-address of web server, where I expect to receive e-mails.
  2. till

    till Super Moderator Staff Member ISPConfig Developer

    Attached Files:

  3. Taleman

    Taleman Well-Known Member HowtoForge Supporter

    I compared the files, only diffs are on the mynetworks -lines, where in addition to localnet I have my subnet where this multiserver setup is.
    The setup is ISPConfig 3.1.11, Debian Stretch, hosts Web with everything except mail and DNS, host posti which does the e-mail and two name servers.
    While I was out of office, the web managed to send mails in it's mail queue. I had 480 mails before noon.
    Maybe they moved to posti, since it suddenly went from 120 mails in queue to now 691.
  4. Taleman

    Taleman Well-Known Member HowtoForge Supporter

  5. Taleman

    Taleman Well-Known Member HowtoForge Supporter

    Seems I finally found the mistake I had made. The mynetworks-setting is also in Postfix, the lines look exactly the same as in I had added my subnet also in, which seems quite fatal to Postfix.
    What I do not understand is that I am sure I grepped fatal already this morning from mail.log. Somehow I have botched that and did not discover the fatal error messages.
    till likes this.

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