Thread:Sannse/@comment-12353996-20140224035919/@comment-8-20140224171418

No one on the wiki can see your email address, so they can't tell whether they match. If your email address can be used by someone else, you need to secure it urgently. Change the password, and make sure that you get help from your provider to make sure no one is logged in.

If you want more investication, then Love Robin's suggestion is the best one