- Plesk 11.x for Linux
- Plesk 12.0 for Linux
- Plesk 12.5 for Linux
- Plesk Onyx for Linux
When trying to login to Horde webmail with a valid userid and password, the login fails with a message that the login details are invlaid:
CONFIG_TEXT: Login failed because your username or password was entered incorrectly.
The following error can be found in
/var/log/psa-horde/psa-horde.log(How to enable debug logging for Horde and IMAP):
CONFIG_TEXT: IMAP errors: SECURITY PROBLEM: insecure server advertised AUTH=PLAIN Retrying PLAIN authentication after Login failed. SECURITY PROBLEM: insecure server advertised AUTH=PLAIN Retrying PLAIN authentication after Login failed. SECURITY PROBLEM: insecure server advertised AUTH=PLAIN Can not authenticate to IMAP server: Login failed. [pid 36564 on line 175 of "/usr/share/psa-horde/imp/lib/IMAP.php"]
Missing or incorrect passwords for mailbox in MTA database
Connect to the server via SSH and restore passwords in MTA database by syncing with ones from Plesk using
# /usr/local/psa/admin/sbin/mchk --with-spam
To do it via Plesk interface, use the same command and execute it in Plesk > Tools & Settings > Scheduled Tasks > Add New - Run Now
utility will restore configurations predefined in Plesk and custom setting which are set not via Plesk will be overwritten. Also, in case of big number of mailboxes execution of the utility can take a several hours.