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Thread: MTA [::1]/128 error

  1. #1
    bhwong is offline Elite Member
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    Default MTA [::1]/128 error

    When I attempt to add additional trusted MTA into Zimbra Server Setting, I receive an error message:

    zimbra.jpg

    [::1]/128 is in the setting by default. Why does it cause an error now? Is it safe to remove it? What does [::1]/128 mean and do?

  2. #2
    Paul Csiki is offline Active Member
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    I think that ::1/128 can only mean a localhost ipv6 address.

  3. #3
    bhwong is offline Elite Member
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    Quote Originally Posted by Paul Csiki View Post
    I think that ::1/128 can only mean a localhost ipv6 address.
    You are right. I found these:
    http://wiki.zimbra.com/wiki/Configuring_for_IP_V6
    amavis thinks my server is an openrelay when I use it to send mail while roaming

    Question is, how did it get into the MTA configuration in the first place? And is it safe to remove it?
    How is it possible that Zimbra suggests that we add this for IPv6 support and yet it will break the system?
    I am not able to enable Archiving and Discovery service because of this entry in the trusted MTA!
    Last edited by bhwong; 11-30-2012 at 02:02 AM.

  4. #4
    bhwong is offline Elite Member
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    Quote Originally Posted by bhwong View Post
    You are right. I found these:
    Configuring for IP V6 - Zimbra :: Wiki
    amavis thinks my server is an openrelay when I use it to send mail while roaming

    Question is, how did it get into the MTA configuration in the first place? And is it safe to remove it?
    How is it possible that Zimbra suggests that we add this for IPv6 support and yet it will break the system?
    I am not able to enable Archiving and Discovery service because of this entry in the trusted MTA!
    I was told by Zimbra Support to execute this command to resolve the IPv6 issue:

    #zmprov -l ms `zmhostname` zimbraIPMode ipv4

  5. #5
    quanah is offline Zimbra Employee
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    This is a known bug in the admin console for 8.0.0, fixed for 8.0.2 I believe. Changing the zimbraipmode isn't going to change the zimbramtamynetworks setting.
    Quanah Gibson-Mount
    Server Architect
    Zimbra, Inc
    --------------------
    Zimbra :: the leader in open source messaging and collaboration

  6. #6
    bhwong is offline Elite Member
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    Quote Originally Posted by quanah View Post
    This is a known bug in the admin console for 8.0.0, fixed for 8.0.2 I believe. Changing the zimbraipmode isn't going to change the zimbramtamynetworks setting.
    I'm using 7.2. What's your advise to resolve this beside upgrading to 8.0.2 which involve massive (and risky) Ubuntu upgrade?

    Is it safe to remove [::1]/128 from the zimbramtamynetworks setting? Cause I'm concern if any amendment will break the system.

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