What is SMTP?

When you send an email, your email client and multiple servers on the internet use the Simple Mail Transport Protocol or SMTP to move that message around the internet and ultimately into the recipient’s mailbox.
There are two main types of SMTP servers: relays and receivers. Relays accept email from users and then route it to the recipient. Receivers accept mail from relay servers and deliver it into a mailbox.
Continue reading “A Beginners Guide to Email Protocols: SMTP, POP3, and IMAP”