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  1. #1

    Dovecot and Postfix Mail Queue Problem

    Good afternoon, first, sorry for my english, but I'm salvadorean... I'm noob in Linux, and I want to solve a problem I have.

    I have configured Postfix and Dovecot to manage my mail tasks... However, some emails always remain in Mail Queue (Webmin) of my Postfix Server and never go to their destination. When I see in Webmin te Mail Queue, the detail are:

    Host or domain name not found. Name service error for name= type=AAAA: Host found, try again
    Its happen with this domain for example:
    The problema occurs only with some emails. I hope you can help me! Thanks

  2. #2
    Hi Mikau,

    Its resolving to IPv6, please make sure below entry should ipv4 as below in configuration file.

    inet_protocols = ipv4

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