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Mailman is not distributing email from yahoo

Discussion in 'E-mail Discussions' started by nsjski, Sep 8, 2013.

  1. nsjski

    nsjski Member

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    I set up a mailing list with mailman (2.1.15) in cpanel. I subscribed to it with 3 different email addresses - yahoo, hotmail and my work email. All 3 memberships have identical settings. For emails from the hotmail and work accounts, the mailing list works exactly as it should do. For the yahoo account, it returns a post acknowledgement to let me know that it received the email, it even files the email in the archive, but it does not send the email on to the other members. This is with identical emails from all 3 accounts.

    I'm hoping that someone can explain this to me!
     
  2. cPanelMichael

    cPanelMichael Forums Analyst
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    Hello :)

    Do you notice any differences with the Yahoo address in "/var/log/exim_mainlog"? You can search for each email address with a command such as:

    Code:
    exigrep user@domain.com /var/log/exim_mainlog
    Thank you.
     
  3. nsjski

    nsjski Member

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    Thanks for the suggestion, I'll ask my hosting provider to have a look.
     
  4. nsjski

    nsjski Member

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    I took a look through the log files and found this in the section where it deals with an email from my yahoo account

    2013-09-19 11:01:41 1VMfjh-0001Pu-9R DKIM: d=yahoo.com s=s1024 c=relaxed/relaxed a=rsa-sha256 t=1379602888 [verification failed - signature did not verify (headers probably modified in transit)]
    2013-09-19 11:01:41 1VMfjh-0001Pu-9R H=localhost [127.0.0.1]:34283 rejected DKIM : DKIM: encountered the following problem validating yahoo.com: signature_incorrect

    The next few entries are where the post acknowledgement is sent out to my yahoo email.

    It looks like DKIM does not like Yahoo. Help!
     
  5. cPanelMichael

    cPanelMichael Forums Analyst
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    That indicates the message header was modified in transit which can prevent DKIM verification. You can turn off the following option under the "ACL Options" tab in "WHM Home » Service Configuration » Exim Configuration Manager":

    "Reject DKIM failures"

    This should allow the message to send out successfully.

    Thank you.
     
  6. nsjski

    nsjski Member

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    Success! :) Followed your suggestion and seems to be working now. Thankyou!
     
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