Why confirmation emails end up in the spam folder all of a sudden?

Posted by nick2653 on Stack Overflow See other posts from Stack Overflow or by nick2653
Published on 2010-05-03T19:14:09Z Indexed on 2010/05/03 19:18 UTC
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email-validation

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email-spam

I run a forum similar to this one where people can sign up and post. I don't use Open ID (oops?) as we have our own sign up and email confirmation system. Everything was going fine up until a week ago when all of a sudden all emails starting either going to spam boxes or not being sent at all. Anyone know why this would happen seeminlgy out of the blue?

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