Has your email address been hacked? You can check on this list (it’s OK--they don’t ask for your password, only the account username). Receiving a clean bill of email health is not a 100% guarantee that your account is safe, of course-- but these folks deserve credit for providing an impressive database of compromised email account usernames. The site also serves as a good reminder that it’s probably best to change your email password every so often as a routine precaution:
NOTE: Pwn (past tense pwned) is hacker slang for controlling or compromising a computer or web server. It means controlling other persons the way pawns are controlled in a chess game.