Automaticaly send a notification message when somebody open the e-mail what we sent for them.
So by this we will know for sure the certain person read it (or at least open) or not.
1. In common e-mails:
Should contain date and time opened, time untill the e-mail was open (so a guess he/ she even have time to read it all).
2. In case of encripted/ password protected e-mail:
Opened straigh with the right password, or not, number of try from the same person, date and time opened, IP adress/ geolocation (city at least), device used, browser used, operating system used, ISP of the network (receiver).
Automaticaly send a notification message when somebody open the e-mail what we sent for them.
So by this we will know for sure the certain person read it (or at least open) or not.
1. In common e-mails:
Should contain date and time opened, time untill the e-mail was open (so a guess he/ she even have time to read it all).
2. In case of encripted/ password protected e-mail:
Opened straigh with the right password, or not, number of try from the same person, date and time opened, IP adress/ geolocation (city at least), device used, browser used, operating system used, ISP of the network (receiver).