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  3. SMTP rejected for some users

SMTP rejected for some users

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  • P Offline
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    Peter Newman
    wrote on last edited by girish
    #1

    For some of our users, their SMTP connections are being denied, with:

    902 Host names have more than one DNS label

    This error appears to come from https://codeclimate.com/github/msimerson/Haraka/plugins/helo.checks.js/source

    I don't know how to walk them through finding out what HELO their device is sending to validate it, but it seems related to the plugin.cfg.reject.valid_hostname setting. Did this change in 5.0.3 ?

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    • P Offline
      P Offline
      Peter Newman
      wrote on last edited by Peter Newman
      #2

      This appears to be a case of https://forum.cloudron.io/post/6533 . Applying the linked setting change fixed the issue.

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