locked Problem with invalid email address?


I have a potential member, from one of the Yahoo groups I moderate, who has had trouble getting registered for Groups.io. He reported in a Yahoo group a problem joining groups.io groups. His email address is larryjohn216@....

I just tried to invite this email address to one of my groups here and get an error message: "Invalid email address"

Anyone know what the problem is or know of a way to work around this issue?

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