SpyPig is a free email tracking system that sends you a notification email as soon as the recipient opens and reads your message. SpyPig is dedicated to all those anxious individuals out there who can’t stand wondering all day and night if their important email has been read or not. I hope this little email tracking tool will help you gain some of your sanity back.Enjoy SpyPig, and be nice to others!

-From SpyPig website

Website: spypig.com

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Tags: email tracking

Updated on April 8th, 2008