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Thread: lmtp vs dns?

  1. #1
    Join Date
    Mar 2006
    Rep Power

    Default lmtp vs dns?

    I m running Zimbra 3.0.1 GA on RHEL4

    How does lmtp resolve dns?
    It looks strange for me...

    My initial dns setup was
    @ IN SOA localhost. root.localhost. (

    IN NS localhost.
    MX 10
    mail A

    and there's an error
    Mar 20 17:08:58 localhost postfix/lmtp[28338]: 3F33548D4: to=, relay=none, delay=1, status=bounced (Host o
    r domain name not found. Name service error for type=A: Host found but no data record of requested type)

    (1) Why lmtp looking for A record of the domain itself?

    When I add A record as
    @ IN SOA localhost. root.localhost. (

    IN NS localhost.
    MX 10
    mail A

    Error is
    Mar 20 17:52:58 localhost postfix/lmtp[26038]: 43F6E24B8C: to=, relay=none, delay=0, status=deferred (connect to[]: Connection refused)

    (2) my email server is, not, Why lmtp send it to

    After changed into, all deferred email can go through

    Mar 20 18:21:53 localhost postfix/lmtp[6665]: 8860524B8E: to=,[], delay=0, status=sent (250 2.1.5 OK)

    It does not make sense to change dns like this, as host-10 is default webserver (another host), host-40 is zimbra mail server.

    Any idea about this?


  2. #2
    phoenix is offline Zimbra Consultant & Moderator
    Join Date
    Sep 2005
    Vannes, France
    Rep Power


    Does your DNS setup match this - that works for me on a CentOS 4.2 server. Is your hosts file also set-up correctly?


    Acompli: A new adventure for Co-Founder KevinH.

  3. #3
    Join Date
    Sep 2005
    Rep Power


    lmtp sends it to because the zimbraMailHost attribute on the destination account is set to
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