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Requests for Comments

Requests for Comments (RFCs) are documents issued by the Internet Engineering Task Force (IETF) at the Network Information Center (NIC). Each such document defines an aspect of protocol surrounding the Internet. We have listed the RFCs that pertain to sendmail in reverse numeric order—that is, with the most recent documents cited first. Note that many of these are of interest only to historians. RFCs are available via the Web and anonymous FTP from: http://www.ietf.org.

RFC3207

SMTP Service Extension for Secure SMTP over Transport Layer Security P. Hoffman, February 2002, 7 pp.

RFC2920

SMTP Service Extension for Command Pipelining N. Freed, September 2000, 9 pp.

RFC2852

Deliver by SMTP Service Extension D. Newman, June 2000, 13 pp.

RFC2822

Internet Message Format P. Resnick, Editor, April 2001, 51 pp.

RFC2821

Simple Mail Transfer Protocol J. Klensin, Editor, April 2001, 79 pp.

RFC2554

SMTP Service Extension for Secure SMTP over TLS J. Myers, March 1999, 11 pp.

RFC2487

SMTP Service Extension for Secure SMTP over TLS P. Hoffman, January 1999, 8 pp.

RFC2476

Message Submission R. Gellens, J. Klensin, December 1998, 15 pp.

RFC2142

Mailbox Names for Common Services, Roles and Functions D. Crocker, May 1997, 6 pp.

RFC2033

Local Mail Transfer Protocol J. Myers, October 1996, 7 pp.

RFC1985

SMTP Service Extension for Remote Message Queue Starting J. De Winter, August 1996, 7 pp.

RFC1894

An Extensible Message Format for Delivery Status Notifications K. Moore, G. Vaudreuil, January 1996, 15 pp.

RFC1893

Enhanced Mail System Status Codes G. Vaudreuil, January 1996, 15 pp.

RFC1892

The Multipart/Report Content Type for the Reporting of Mail System Administrative Messages G. Vaudreuil, January 1996, 4 pp.

RFC1891

SMTP Service Extension for Delivery Status Notifications K. Moore, January 1996, 31 pp.

RFC1873

Message/External-Body Content-ID Access Type E. Levinson, December 1995, 4 pp.

RFC1872

The MIME Multipart/Related Content-type E. Levinson, December 1995, 8 pp.

RFC1870

SMTP Service Extension for Message Size Declaration J. Klensin, N. Freed, K. Moore, November 1995, 9 pp.

RFC1869

SMTP Service Extensions J. Klensin, N. Freed, M. Rose, E. Stefferud, D. Crocker, November 1995, 11 pp.

RFC1864

The Content-MD5 Header Field J. Myers, M.Rose, October 1995, 4 pp.

RFC1854

SMTP Service Extension for Command Pipelining N. Freed, October 1995, 21 pp.

RFC1846

SMTP 521 Reply Code A. Durand, F. Dupont, September 1995, 4 pp.

RFC1845

SMTP Service Extension for Checkpoint/Restart N. Freed (editor), D. Crocker, September 1995, 7 pp.

RFC1844

Multimedia E-mail (MIME) User Agent Checklist E. Huizer, August 1995, 8 pp.

RFC1830

SMTP Service Extensions for Transmission of Large and Binary MIME Messages G. Vaudreuil, August 1995, 8 pp.

RFC1711

Classifications in E-mail Routing J. Houttuin, October 1994, 19 pp.

RFC1652

SMTP Service Extensions for 8bit-MIMEtransport J. Klensin, N. Freed, M. Rose, E. Stefferud, D. Crocker, July 1994, 6 pp.

RFC1566

Mail Monitoring MIB N. Freed (ed), S. Killy, January 1994, 20 pp.

RFC1522

Representation of Non-ASCII Text in Internet Message Headers K. Moore, September 1993, 7 pp.

RFC1521

MIME (Multipurpose Internet Mail Extensions): Mechanisms for Specifying and Describing the Format of Internet Message Bodies N. Borenstein and N. Freed, September 1993, 69 pp.

RFC1505

Encoding Header Field for Internet Messages D. Robinson, R. Ullmann, August 1993, 36 pp.

RFC1496

X.400 1988 to 1984 Downgrading S.E. Hardcastle-Kille, August 1993, 5 pp.

RFC1495

Mapping Between X.400(1988)/ISO 10021 and RFC 822 S.E. Hardcastle-Kille, August 1993, 11 pp. (Updates RFC1327)

RFC1428

Transition of Internet Mail from Just-Send-8 to 8bit-SMTP/MIME G, Vaudreuil, February 1993, 6pp.

RFC1423

Privacy Enhancement for Internet Electronic Mail: Part III—Algorithms, Modes, and Identifiers J. Linn, February 1993, 14pp.

RFC1422

Privacy Enhancement for Internet Electronic Mail: Part II—Certificate-Based Key Management S.T. Kent and J. Linn, February 1993, 32 pp.

RFC1421

Privacy Enhancement for Internet Electronic Mail: Part I—Message Encipherment and Authentication Procedures J. Linn, February 1993, 42 pp.

RFC1345

Character Mnemonics and Character Sets K. Simonsen, June 1992, 103 pp.

RFC1344

Implications of MIME for Internet Mail Gateways N. Borenstein, June 1992, 8 pp.

RFC1343

User Agent Configuration Mechanism for Multimedia Mail Format Information N. Borenstein, June 1992, 10 pp.

RFC1321

MD5 Message-Digest Algorithm R.L. Rivest, April 1992, 21 pp.

RFC1320

MD4 Message-Digest Algorithm R.L. Rivest, April 1992, 20 pp.

RFC1319

MD2 Message-Digest Algorithm B.S. Kaliski, April 1992, 17 pp. (Updates RFC1115)

RFC1176

Interactive Mail Access Protocol: Version 2 M.R. Crispin, August 1990, 30 pp.

RFC1153

Digest Message Format F.J. Wancho, April 1990, 4pp.

RFC1137

Mapping Between Full RFC822 and RFC822 with Restricted Encoding S.E. Kille, December 1989, 3 pp. (Updates RFC976)

RFC1123

Requirements for Internet Hosts—Application and Support R.T. Braden, ed., October 1989, 98 pp.

RFC1122

Requirements for Internet Hosts—Communication Layers R.T. Braden, ed; October 1989; 116 pp.

RFC1036

Standard for Interchange of USENET Messages M.R. Horton and R. Adams, December 1987, 19 pp. (Obsoletes RFC850)

RFC976

UUCP Mail Interchange Format Standard M.R. Horton, February 1986, 12 pp.

RFC934

Proposed Standard for Message Encapsulation M.T. Rose and E.A. Stefferud, January 1985, 10 pp.

RFC822

Standard for the Format of ARPA Internet Text Messages D. Crocker; August 13, 1982; 47 pp. (Obsoletes RFC733; updated by RFC1327)

RFC821

Simple Mail Transfer Protocol J.B. Postel, August 1982, 58 pp. (Obsoletes RFC788)

RFC805

Computer Mail Meeting Notes J.B. Postel; February 8, 1982; 6pp.

RFC733

Standard for the Format of ARPA Network Text Messages D. Crocker, J. Vittal, K.T. Pogran, and D.A. Henderson; November 21, 1977; 38 pp. (Obsoletes RFC724; obsoleted by RFC822)

RFC706

On the Junk Mail Problem J.B. Postel; November 8; 1975; 1 p.

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