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Thread: loops back to myself

  1. #1
    cubitus91 is offline Starter Member
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    Default loops back to myself

    Hi all ,
    I have a problem with Zimbra Open Source Edition ( zcs-4.5.0_GA_612.FC5.tgz) on Fedora Core 5. Only day the mail reports show loops back to myself.
    for example :
    Code:
    Errors 
    2007-01-28 00:00:02 bounced (mail for sd-7314.dedibox.fr loops back to myself) 
    2007-01-28 01:00:03 bounced (mail for sd-7314.dedibox.fr loops back to myself) 
    2007-01-28 02:00:02 bounced (mail for sd-7314.dedibox.fr loops back to myself) 
    2007-01-28 03:00:03 bounced (mail for sd-7314.dedibox.fr loops back to myself) 
    2007-01-28 04:00:02 bounced (mail for sd-7314.dedibox.fr loops back to myself) 
    2007-01-28 04:08:02 bounced (mail for sd-7314.dedibox.fr loops back to myself) 
    2007-01-28 05:00:02 bounced (mail for sd-7314.dedibox.fr loops back to myself) 
    2007-01-28 06:00:02 bounced (mail for sd-7314.dedibox.fr loops back to myself) 
    2007-01-28 07:00:02 bounced (mail for sd-7314.dedibox.fr loops back to myself) 
    2007-01-28 08:00:02 bounced (mail for sd-7314.dedibox.fr loops back to myself) 
    2007-01-28 08:08:02 bounced (mail for sd-7314.dedibox.fr loops back to myself) 
    2007-01-28 09:00:02 bounced (mail for sd-7314.dedibox.fr loops back to myself)
    I have in my hosts file this configuration :
    Code:
    # Do not remove the following line, or various programs
    # that require network functionality will fail.
    127.0.0.1               localhost.localdomain   localhost
    X.X.X.X           sd-7314.dedibox.fr           sd-7314
    X.X.X.X            famille-kindel.com              mail
    X.X.X.X            ain-fr.com                      mailPAM
    I have search on the forum , and they haven ' t find any answer !!!
    Maybe , my MTA configuration is Bad or my DNS configuration ???
    ( My Web mail MTA hostname is Localhost)


    Thanks
    Last edited by cubitus91; 01-28-2007 at 11:04 AM.

  2. #2
    jholder's Avatar
    jholder is offline Former Zimbran
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    Default

    try to take out the relay host in the admin ui

  3. #3
    zibra is offline Loyal Member
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    Default

    I have the same problem.
    Each time i send mail, i receive "relay=none, delay=0, status=bounced (mail for domain.com loops back to myself)". Before, i can send/receive nomally. I have the right /etc/hosts and DNS configuration.
    I'm using OpenSource version 4.5.6.
    Anyone can help me???
    I had searched forum for the answers but the problem not resolved.

    Thanks in advanced.

  4. #4
    fajarpri's Avatar
    fajarpri is offline Loyal Member
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    Me too.
    But on the report, the loopback only occurs on certain hour. I suspect that it's because of the crontab's option: MAILTO=. I set the MAILTO to 'admin@mail.mydomain.com', but it still persists.
    The relay option is set to 'localhost'. Should I empty it?

    From postfix IRC channel:
    [17:29] !loopback
    [17:29] ari_stress: "loopback" : 'Mail loops back to myself' means that your Postfix wanted to send out the mail to the internet but then discovered that the DNS says your mail server should be responsible. Most likely you forgot to list your domain in mydestination or virtual_(alias|mailbox)_domains

    Does it mean something?
    Last edited by fajarpri; 10-05-2007 at 03:31 AM.

  5. #5
    fajarpri's Avatar
    fajarpri is offline Loyal Member
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    Looks like the default setting of zimbra is:
    mydestination = localhost
    Hmm.. let me change it to:
    mydestination = localhost $myhostname
    and see what happens.

  6. #6
    fajarpri's Avatar
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    Additional info from postfix's docs:
    Caution: in order to avoid mail delivery loops, you must list all hostnames of the machine, including $myhostname, and localhost.$mydomain.

  7. #7
    stevegarriques is offline Intermediate Member
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    so in the hosts file

    IP server
    IP server.domain

    this resolves the problem? What do u edit to resolve this

  8. #8
    phoenix is online now Zimbra Consultant & Moderator
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    Quote Originally Posted by stevegarriques View Post
    so in the hosts file

    IP server
    IP server.domain

    this resolves the problem? What do u edit to resolve this
    You can find details of the hosts file format in the forums or in this document.
    Regards


    Bill


    Acompli: A new adventure for Co-Founder KevinH.

  9. #9
    stevegarriques is offline Intermediate Member
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    Here is what my hosts file looks like and what I think is in the correct format:

    127.0.0.1 localhost localhost
    Internal IP server.domain.net server

    The domain I use here is the internal domain but with zimbra I use the external domain .org / Should I put in a entry for the external domain as well, is that what is causing the issue?

  10. #10
    phoenix is online now Zimbra Consultant & Moderator
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    You need a Split DNS set-up if you're behind a NAT router, do you have that?
    Regards


    Bill


    Acompli: A new adventure for Co-Founder KevinH.

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