Answer:
SMTP (Simple Mail Transfer Protocol) specifies the format of a mail message and describes how mail is to be administered on the e-mail server and transmitted on the Internet
Step-by-step explanation:
SMTP (Simple Mail Transfer Protocol) is the protocol for the e-mail transmission over the internet.
The e-mails we send is forwarded over the SMTP, directed to the email servers.
SMTP does its job by breaking the email message into several categories so that the receiving server can understand how to deal with the e-mail message.