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Emails in Outlook show headers instead of email content

Sergey Senko
Updated
Plesk for Linux kb: technical

Symptoms

  • Emails in Outlook show headers instead of email content
  • Courier-IMAP is used as IMAP/POP3 service
  • Emails are correctly shown in Webmail
  • No errors from Courier is found in maillog when emails are retrieved in Outlook

Cause

This is a Plesk bug with ID PPPM-14272

Resolution

Please consider updating your server:

Workaround

There are 3 possible workarounds if Upgrading is not possible at the moment:

  1. Use Webmail instead of Outlook.

  2. Disable ARC by running the following commands in SSH:

    # plesk bin settings -s mail_arc_sign=false

    and

    # /usr/lib*/plesk-9.0/mail_dk_restore

    Note: This solution doesn’t fix the already “broken” emails.

  3. Switch from Courier to Dovecot.

    Note: This solution properly renders the already “broken” messages.

 

More Information

Plesk Obsidian Change Log.

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