Internet Messages
| RFC 822 |
STANDARD FOR THE FORMAT OF ARPA INTERNET TEXT MESSAGES |
| RFC 2045 |
Multipurpose Internet Mail Extensions (MIME) Part One: Format of Internet Message Bodies |
| RFC 2822 |
Internet Message Format |
POP3
| RFC 1725 |
Post Office Protocol - Version 3 |
| RFC 1734 |
POP3 AUTHentication command |
| RFC 1939 |
Post Office Protocol - Version 3 |
SMTP
| RFC 821 |
SIMPLE MAIL TRANSFER PROTOCOL (Obsoleted by RFC 2821 |
| RFC 974 |
MAIL ROUTING AND THE DOMAIN SYSTEM |
| RFC 1652 |
SMTP Service Extension for 8bit-MIMEtransport |
| RFC 1830 |
SMTP Service Extensions for Transmission of Large and Binary MIME Messages |
| RFC 1869 |
SMTP Service Extensions |
| RFC 1870 |
SMTP Service Extension for Message Size Declaration |
| RFC 1891 |
SMTP Service Extension for Delivery Status Notifications |
| RFC 1893 |
Enhanced Mail System Status Codes |
| RFC 1985 |
SMTP Service Extension for Remote Message Queue Starting |
| RFC 2034 |
SMTP Service Extension for Returning Enhanced Error Codes |
| RFC 2142 |
MAILBOX NAMES FOR COMMON SERVICES, ROLES AND FUNCTIONS |
| RFC 2197 |
SMTP Service Extension for Command Pipelining |
| RFC 2554 |
SMTP Service Extension for Authentication |
| RFC 2821 |
Simple Mail Transfer Protocol (Obsoletes RFC 821 |
