Symptoms
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Folders with special characters in their names are displayed incorrectly after upgrade to Obsidian 18.0.25, e.g.:
Gra&AXw-yna Brodzi&AUQ-ska
Gel&APY-schte Elemente
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The following can be found in
/var/log/plesk/install/plesk_18.0.25_maildir_unicoder.log:convutf8 failed [maildir:"/var/qmail/mailnames/example.com/john.doe/Maildir";utf7:"INBOX.Gel&APY-schte Elemente.Archiv";utf8:"INBOX.Gelöschte Elemente.Archiv"]
doveadm([email protected]): Error: Can't rename mailbox INBOX.Gel&APY-schte Elemente.Archiv to INBOX.Gelöschte Elemente.Archiv: Mailbox doesn't exist: INBOX.Gel&APY-schte Elemente.Archiv
failed to convutf8 /var/qmail/mailnames/example.com/john.doe/Maildir
doveadm([email protected]): Error: User doesn't exist
Note: The above error is shown because the user doesn't have a mailbox configured in Plesk.
Cause
Bug PPPM-11757 in Plesk. The converter tool which runs along with the update stops at the first error.
Resolution
Warning: Make sure Plesk Obsidian 18.0.26 or later is installed. If not, upgrade Plesk to the latest version. Then, perform the following steps:
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Connect to the server via SSH.
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Run the following command to rerun the conversion:
For Debian/Ubuntu:
# /usr/lib/plesk-9.0/maildir_unicoder --convutf8 --skip-errors
For CentOS/CloudLinux/RedHat:
# /usr/lib64/plesk-9.0/maildir_unicoder --convutf8 --skip-errors