SpyPig is a free email tracking tool that notifies you as soon as your recipient opens your email message.
SpyPig is dedicated to all those paranoid individuals out there who can't stand wondering all day if their VIE (Very 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!
~c h r i s t o p h e r