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You'll likely end up having to change your game email or just wait it out. Mine was set up to go to my Hotmail account (which was working fine prior to server migration) but despite adding the email to my contacts again, checking my junk mail, changing filters, etc. I had to change it to a Gmail account. That said, I've set my Gmail account up to forward to my Hotmail, so I'm still only checking one email.

This post explains what's going on pretty well. I know people with Gmail and I believe, Yahoo, are getting their emails fine.

http://www.huntandjump.com/forum.php#/discussion/comment/6761