While other protocols like and POP3 handle how you retrieve mail from a server, SMTP is almost exclusively dedicated to the delivery process. How the SMTP Process Works
It features built-in queuing. If a recipient's server is temporarily down, SMTP will retry sending the message automatically for several days. While other protocols like and POP3 handle how
The journey of an email happens in milliseconds, but it involves several distinct steps: the recipient's address
The client provides the sender's address, the recipient's address, and the actual content of the email. While other protocols like and POP3 handle how