Mail Problems with t-online.de

Discussion in 'Installation/Configuration' started by cptluxx, Oct 5, 2018.

  1. cptluxx

    cptluxx New Member

    Hi,

    im running Debian 9 with postfix and Dovecot the Problem is every second Email from *@t-online.de is not getting delivered to my server the sender gets the following Message

    has anyone any clue how to solve this? It is only happening for *@t-online.de every other Domain can send to my Server without issues..
     
    cptluxx, Oct 5, 2018
    #1
  2. till

    till Super Moderator Staff Member ISPConfig Developer

    Is the server hosted in a data center or at home / in office? Do you get any errors in mail.log file?
     
    till, Oct 5, 2018
    #2
  3. cptluxx

    cptluxx New Member

    The server is Hosted at hetzner.de and no i don't get any error in the mail.log
     
    cptluxx, Oct 9, 2018
    #3

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