Cannot login to Horde Webmail (Plesk): Login Failed

PROBLEM: While Login into Webmail it returns the error: “Login failed” SOLUTION: Make sure that it is possible to connect to localhost:143 from the command line using telnet. If you get the error as below: # telnet localhost 143 localhost/143: Name or service not known then check /etc/hosts file. It must have permissions -rw-r–r– and
Read More »