Error
ERROR : Bad or malformed request.
Query: SORT (ARRIVAL) ISO-8859-1 ALL
Server responded: Protocol Error: "Illegal command specified for UID command".
Solution
- Start conf.pl
- Go to general options (4)
- (10) Allow server thread sort = false
- (11) Allow server-side sorting = false
If you are logged into SquirrelMail when saving configuration changes, log out and then log back in to see these changes applied.