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Mailman - Not able to send outgoing mails

Discussion in 'E-mail Discussions' started by DeepXP, Apr 16, 2013.

  1. DeepXP

    DeepXP Well-Known Member

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    Mailman - Not able to send mails

    I have been trying to understand the reason why mailman cannot send the mail from our server.

    The smtp-failure log of mailman shows following output:

    Code:
    
    Apr 16 05:16:36 2013 (11703) Low level smtp error: (97, 'Address family not supported by protocol'), msgid: <mailman.2.1366101926.11701.test.list_example.com@example.com>
    
    Apr 16 05:16:36 2013 (11703) delivery to test.list-owner@example.com failed with code -1: (97, 'Address family not supported by protocol')
    I have replaced the actual domain with example.com

    I checked the port settings in firewall, 25, 26 are open (TCP In & Out). I even tried it after disabling the firewall but still same error.

    I have ASSP Deluxe installed but I believe, this has nothing to do with it as mailman directly connects to exim via port 125 (Yes, that's also open - TCP In)

    Any pointers?

    Thanks
    Deep
     
    #1 DeepXP, Apr 16, 2013
    Last edited: Apr 16, 2013
  2. quietFinn

    quietFinn Well-Known Member

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    Re: Mailman - Not able to send mails

    Only that is is a problem with IPv6.
     
  3. DeepXP

    DeepXP Well-Known Member

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    Any ideas on the solutions? I could not fix it myself.
     
  4. simonas

    simonas Well-Known Member

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    Go to advanced exim settings,

    Add custom value:

    disable_ipv6 true

    I always do that on new servers.
     
  5. DeepXP

    DeepXP Well-Known Member

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    I did that but still no help. Same error.
     
  6. DeepXP

    DeepXP Well-Known Member

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    I figured out the issue.

    I just commented the line

    SMTPPORT = 125

    located in /usr/local/cpanel/3rdparty/mailman/Mailman/pico mm_cfg.py

    and everything started working fine.

    I am not sure how that port specification ended up getting added though.
     
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