Phone added all number AND email contacts. Any way to remove emails?

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http://androidforums.com – I synced up my Note 2 with all my Google contacts, but the problem now is that all the people that have ever contacted me (including spam emailers) are showing up in my phone. I've been able to customize it so that I could filter out only contacts with numbers in the contacts app, but I can't figure out how to get rid of the junk email addresses whenever I try skim my address book in the messaging app. Any advice? (General)