Quick tip, the sign up doesn't trim emails and validates them against some rule that fails on 'blah@blah.com '. I strongly suggest not validating emails except

Quick tip, the sign up doesn't trim emails and validates them against some rule that fails on 'blah@blah.com '. I strongly suggest not validating emails except by simply trying to send one, it's the worst case to lose an user that's willing to register due to a corner case your regex missed.