Plesk was recently upgraded to Obsidian.
IMAP account in Outlook returns any of the following error messages after syncing:
CONFIG_TEXT: Message 2536 appears to be a Unicode message and your E-mail reader did not enable Unicode support. Please, use an E-mail reader that supports IMAP with UTF-8(see https://tools.ietf.org/html/rfc6855.html)
CONFIG_TEXT: This E-mail message was determined to be Unicode-formatted but your E-mail reader does not support Unicode E-mail. Please use an E-mail reader that supports POP3 with UTF-8 (see https://tools.ietf.org/html/rfc6856.html)
Courier-IMAP was upgraded to version 5.0.
# rpm -qa | grep courier-imap
This has been reported as bug ID #PPPM-11248 which will be fixed in future updates.
Note: Consider subscribing to this article in order to get notified when the fix is released or check for the ID in our changelog
As a workaround the following actions can be performed:
- Switch the IMAP/POP3 server to Dovecot following the instructions from our article.
- Use webmail via https://webmail.example.com.
- Use a different mail client.