[Plugin: FormBuilder] Nothing sends although it looks like it has to user.

I’ve recently transferred two wordpress installations, both are using form builder . The first works fine upon transferring, the second doesn’t.

The form builder plugin has stopped working since the domain was transferred. I’ve upgraded, changed all the settings I can find to try and make it work but nothing is happening. If you send a form though it gives you the sent message but the e-mail never makes it anywhere.

I get no error messages so its hard to report anything more then that. Does anyone have any ideas or fixes?