Simple Mail Transfer Protocol
| The TCP/IP model (RFC 1122) |
|---|
| Application Layer |
| Transport Layer |
| Internet Layer |
| Link Layer |
Simple Mail Transfer Protocol (SMTP) is an Internet communication protocol used to send and relay an email message between email servers. It is not used to retrieve email messages from a server. Instead either IMAP or POP is used to retrieve email messages.
Related pages
- Internet Message Access Protocol (IMAP)
- Post Office Protocol (POP)
