Email tracking is a method for monitoring the email

Email

Electronic mail, commonly known as email or e-mail, is a method of exchanging digital messages from an author to one or more recipients. Modern email operates across the Internet or other computer networks. Some early email systems required that the author and the recipient both be online at the...

 delivery to intended recipient. Most tracking technologies utilize some form of digital

Digital

A digital system is a data technology that uses discrete values. By contrast, non-digital systems use a continuous range of values to represent information...

ly time-stamped record to reveal the exact time and date that your email was received or opened, as well the IP address

IP address

An Internet Protocol address is a numerical label assigned to each device participating in a computer network that uses the Internet Protocol for communication. An IP address serves two principal functions: host or network interface identification and location addressing...

 of the recipient.

Email tracking is useful when the sender wants to know if the intended recipient actually received the email, or if they clicked the links.