The password is wrongly forwarded to the serwer if contains '#' character.
This occures when you try to test connection in Ingoing Email screen.

If password is saved using 'done' button, it is stored correctly and works.
I have installed SugarCRM CE ver. 6.3.0
In previous version (5.1.x) it was not working at all, (with '#' character), so it is small bug.

Does anybody met the same problem?