Este histórico RFC fue sustituido en Abril de 2001 por el RFC2821

0822 Standard for the format of ARPA Internet text messages. D. Crocker. Aug-13-1982. (Format: TXT=109200 bytes) (Obsoletes RFC0733) (Updated by RFC1123, RFC1138, RFC1148, RFC1327, RFC2156) (Also STD0011) (Status: STANDARD). .txt">Ver draft-ietf-drums-msg-fmt-09.txt">

Este histórico RFC fue sustituido en Abril de 2001 por el RFC2822

974 Mail routing and the domain system. C. Partridge. Jan-01-1986. (Format: TXT=18581 bytes) (Also STD0014) (Status: STANDARD)

1047 Duplicate messages and SMTP. C. Partridge. Feb-01-1988. (Format: TXT=5888 bytes) (Status: UNKNOWN)

1428 Transition o f Internet Mail from Just-Send-8 to 8bit-SMTP/MIME. G. Vaudreuil. February 1993. (Format: TXT=12064 bytes) (Status: INFORMATIONAL)

1652 SMTP Service Extension for 8bit-MIMEtransport. J. Klensin, N. Freed, M. Rose, E. Stefferud, D. Crocker. July 1994. (Format: TXT=11842 bytes) (Obsoletes RFC1426) (Status: DRAFT STANDARD)

1845 SMTP Service Extension for Checkpoint/Restart. D. Crocker, N. Freed, A. Cargille. September 1995. (Format: TXT=15399 bytes) (Status: EXPERIMENTAL)

1846 SMTP 521 Rep ly Code. A. Durand, F. Dupont. September 1995. (Format: TXT=6558 bytes) (Status: EXPERIMENTAL)

1869 SMTP Service E xtensions. J. Klensin, N. Freed, M. Rose, E. Stefferud, D. Crocker. November 1995. (Format: TXT=23299 bytes) (Obsoletes RFC1651) (Also STD0010) (Status: STANDARD)

1870 SMTP Service Extension for Message Size Declaration. J. Klensin, N. Freed, K. Moore. November 1995. (Format: TXT=18226 bytes) (Obsoletes RFC1653) (Also STD0010) (Status: STANDARD)

1891 SMTP Service Extension for Delivery Status Notifications. K. Moore. January 1996. (Format: TXT=65192 bytes) (Status: PROPOSED STANDARD)

1892 The Multipart/Report Content Type for the Reporting of Mail System Administrative Messages. G. Vaudreuil. January 1996. (Format: TXT=7800 bytes) (Status: PROPOSED STANDARD)

1893 Enhanced Mail System Status Codes. G. Vaudreuil. January 1996. (Format: TXT=28218 bytes) (Status: PROPOSED STANDARD)

1985 SMTP Service Extension for Remote Message Queue Starting. J. De Winter. August 1996. (Format: TXT=14815 bytes) (Status: PROPOSED STANDARD)

2034 SMTP Servic e Extension for Returning Enhanced Error Codes. N. Freed. October 1996. (Format: TXT=10460 bytes) (Status: PROPOSED STANDARD)

2442 The Batch SM TP Media Type. N. Freed, D. Newman, J. Belissen, M. Hoy. November 1998. (Format: TXT=18384 bytes) (Status: INFORMATIONAL)

2476 Message Submission. R. Gellens, J. Klensin. December 1998. (Format: TXT=30050 bytes) (Status: PROPOSED STANDARD)

2487 SMTP Service E xtension for Secure SMTP over TLS. P. Hoffman. January 1999. (Format: TXT=15120 bytes) (Status: PROPOSED STANDARD)

2505 Anti-Spam Recommendations for SMTP MTAs. G. Lindberg. February 1999. (Format: TXT=53597 bytes) (Also BCP0030) (Status: BEST CURRENT PRACTICE)

2554 SMTP Service Extension for Authentication. J. Myers. March 1999. (Format: TXT=20534 bytes) (Status: PROPOSED STANDARD)

2645 ON-DEMAND MA IL RELAY (ODMR) SMTP with Dynamic IP Addresses. R. Gellens. August 1999. (Format: TXT=16302 bytes) (Status: PROPOSED STANDARD)

2821 Internet Message Format (Obsoletes RFC821)

.txt">2920 SMTP Service Extension for Command Pipelining. N. Freed. September 2000. (Format: TXT=17065 bytes) (Obsoletes RFC2197) (Also STD0060) (Status: STANDARD)

3030 SMTP Service Extensions for Transmission of Large and Binary MIME Messages.G. Va udreuil. December 2000. (Format: TXT=17065 bytes) (Obsoletes RFC1830) (Also STD0060) (Status: Standards Track)