iTrackMail funktioniert nicht

When someone reads your email, diese App will send you a push notification! Yes--it is that easy! diese App will automatically record the date and time of the receipt as well as rough estimates of the Country, Region, Platform, and Browser of the recipient.  Tell diese App the subject of your email, write your email like you usually would, and press send! diese App will do the rest!  You will be able to tell if more than one person read your email! diese App is FREE, so try sending an email and you will be pleasantly surprised!  Want to know if people are reading the emails you send? diese App will let you know whenever someone opens your email!  Note: Not every email client is compatible with diese App's methods.  In some cases, the recipient will have to agree to "display all images" for your email.