spypig.com— SpyPig is a simple email tracking system that sends you a notification email as soon as the recipient opens and reads your message.
Jan 27, 2008View in Crawl 4
Interesting idea....probably wouldn't work too great on Gmail though, seeing as it blocks images by default and that's how the system tracks your messages on the receiving end.
icemountsJan 27, 2008
Interesting idea....probably wouldn't work too great on Gmail though, seeing as it blocks images by default and that's how the system tracks your messages on the receiving end.
csar5Jul 29, 2011
TE INDICA SI ES QUE EL REMITENTE ABRIO EL CORREO QUE LE ENVIASTE, A QUE HORA Y DESDE QUE COMPU LO ABRIO