Solutions for some problems using Konqueror

Problems about webmail using Konqueror?

Make a test: access to SISSA webmail using Firefox (to check if there is a problem on webmail service) then close Firefox, if it is all ok, you have to clean konqueror cache.

How to clean konqueror cache

Run konqueror;
then select: Settings → Configure → Clear Cache;
close konqueror and run konqueror again.