#3 Fixed a number of bugs.

[Alex Blanco]

I fixed a number of bugs:
- empty SMTP from (another fix patch also addresses
this)
- POP did not work for me because the length match did
not happen. Instead now it looks for the end of
multiline (a line with only '.' on it)
- mails MailList was using array assignment to add a
member, but this did not work with Qt 2.3.2 at least.
Changed to use append method.

Some minor UI tweaks as well.

[Alex Blanco]