Template:Bugs and feedback
Report bugs through MantisBT at http://bugs.penguindevelopment.org/ (you will need to sign up for an account). If and only if you're unable to use MantisBT, you can report bugs via email at bugs[at]proj[dot]penguindevelopment[dot]org.
Send your feedback to feedback[at]proj[dot]penguindevelopment[dot]org.
Before reporting a bug, make sure it isn't listed on MantisBT!