[schumi2004]

Going to install it now. Could be handy.
I don't see it in feature list but maybe (password protected) multiple accounts is something for next versions?

Edit:
Url is broken

http://%27http//goo.gl/HfEkq'

Edit2:
A few things i noticed:

Seeing this regular

13:04:19 T:6728 WARNING: XFILE::CFileFactory::CreateLoader - Unsupported protocol(plugin) in plugin://plugin.programm.xbmcmail/mailbox/INBOX/73/show/folder.jpg

When opening mailbox folder named
[GMAIL] (0/0)
http://pastebin.com/arAnBqCM

@Wanilton
Fixed it myself but for upcoming users