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Plesk 8.4.0: Unable to use short names for POP3/IMAP

·89 words·1 min·

If you recently upgraded to Plesk 8.4.0 with short names enabled, you may have found that it’s working with SMTP, but it doesn’t work with POP3 or IMAP. There’s a bug in the Plesk version that prevents the courier configuration from being updated.

To correct the issue, first make sure that Plesk has short names enabled (Server > Mail). Once you’ve confirmed that Plesk thinks it’s enabled, add SHORTNAMES=1 to the following configuration files:

  • /etc/courier-imap/imapd
  • /etc/courier-imap/imapd-ssl
  • /etc/courier-imap/pop3d
  • /etc/courier-imap/pop3d-ssl

Restart courier-imap with /etc/init.d/courier-imap restart and you should be all set.