- Plesk for Linux
The following error is shown at Roundcube login page if the wrong password was specified:
IMAP Error in /usr/share/psa-roundcube/program/lib/Roundcube/rcube_imap.php (193): Login failed for firstname.lastname@example.org from 203.0.113.2. Authentication failed.
option is set to
option. For example, set it to 3 or less.