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"Cannot get sender domain" message for email with the empty FROM: <> in the maillog

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Marc López
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Plesk for Linux kb: fixed kb: bug ABT: Group A

Applicable to:

  • Plesk for Linux

Symptoms

  • An email with the empty FROM: <> field in the maillog bypassed the DKIM, SPF, DMARC and SpamAssassin checks;

  • The similar error message can be found in the /var/log/maillog :

    CONFIG_TEXT: cannot get sender domain
    spamassassin[4562]: Unable to intialize spamassassin mail handler
    postfix-local[4561]: Error during  spam handler

    CONFIG_TEXT: cannot get sender domain
    mail spf[10907]: Unable to intialize spf mail handler
    mail /usr/lib/plesk-9.0/psa-pc-remote[1502]: Error during 'spf' handler

Cause

Product issues:

  • #PPP-43562 "An email with the empty FROM: <> field can no longer bypass the SpamAssassin filter."
    Fixed in:
  • #PPPM-10819 "An email with the empty FROM: <> field can no longer bypass the SpamAssassin filter."
    Fixed in:

Resolution

Consider updating Plesk to Obsidian:

Comments

3 comments

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  • Avatar
    Chris Laether

    Not really a solution as updating to Obsidian is not currently an option.

    Any other suggestions?

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    Anton Maslov

    Hello Chris, currently update to Obsidian is the only available way to fix the issue.

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  • Avatar
    Chris Laether

    I'm now running Obsidian and the issue seems to have resurfaced...

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