RFCs supported by Webmail.us

Today I spent some time compiling a list of all of the RFCs that our email hosting system supports.  See any I might have missed?…

1939	- POP3
2449 - POP3 Extension Mechanism

3501 - IMAP4rev1
2683 - IMAP4 Implementation Recommendations
2180 - IMAP4 Multi-Accessed Mailbox Practice
2088 - IMAP4 non-synchronizing literals (LITERAL+)
2177 - IMAP4 IDLE command
2342 - IMAP4 Namespace
2087 - IMAP4 QUOTA Extension
3348 - IMAP4 Child Mailbox Extension
3502 - IMAP4 MULTIAPPEND Extension
3691 - IMAP4 UNSELECT command
2221 - IMAP4 Login Referrals
draft - IMAP4 Extension for SASL Initial Client Response

2821 - SMTP (updated rfc821)
3463 - SMTP Enhanced Mail System Status Codes
3464 - SMTP Delivery Status Notifications
2554 - SMTP Extension for Authentication
2920 - SMTP Extension for Command Pipelining
3207 - SMTP Extension for TLS
1870 - SMTP Extension for Message Size Declaration
1652 - SMTP Extension for 8bit-MIMEtransport
2476 - SMTP Message Submission (port 587)

1945 - Hypertext Transfer Protocol -- HTTP/1.0
2616 - Hypertext Transfer Protocol -- HTTP/1.1

2822 - Internet Message Format (updated rfc822)
2045..2049 - Multipurpose Internet Mail Extensions (MIME)
2183 - Content-Disposition MIME header
1894 - Message Format for Delivery Status Notifications
2298 - Message Format for Message Disposition Notifications
3503 - Message Disposition Notification profile for IMAP
3462 - Multipart/Report Content Type
3834 - Automatic Responses to Electronic Mail
2246 - The TLS Protocol Version 1.0
2595 - Using TLS with IMAP and POP3
2142 - Required abuse@ Mailbox Name
4408 - Sender Policy Framework (SPF) Version 1

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