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Answers and rating deltas for

How to allow only one email address and check for the @ sign to validate the email address?

Author Votes Δ
Charles 6 +1.13
Nick Presta 4 +0.23
Paul Hoffer 0 -0.89
Your Common Sense 0 -0.61
KoolKabin -3 -3.81
Last visited: Sep 14, 2014, 5:07:29 AM