Cited in: RFC 4406
8 RFCs mentioned in the text of RFC 4406 (Sender ID: Authenticating E-Mail)
| RFC | Title | Status | Date |
|---|---|---|---|
| 822 | STANDARD FOR THE FORMAT OF ARPA INTERNET TEXT MESSAGES | Internet Standard | August 1982 |
| 2119 | Key words for use in RFCs to Indicate Requirement Levels | Best Current Practice | March 1997 |
| 2821 | Simple Mail Transfer Protocol | Proposed Standard | April 2001 |
| 2822 | Internet Message Format | Proposed Standard | April 2001 |
| 3464 | An Extensible Message Format for Delivery Status Notifications | Draft Standard | January 2003 |
| 4405 | SMTP Service Extension for Indicating the Responsible Submitter of an E-Mail Message | Historic | April 2006 |
| 4407 | Purported Responsible Address in E-Mail Messages | Historic | April 2006 |
| 4408 | Sender Policy Framework (SPF) for Authorizing Use of Domains in E-Mail, Version 1 | Experimental | April 2006 |