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Document Date Status IPR AD/Shepherd
RFCs (19 hits)
6 pages
RFC 1426
SMTP Service Extension for 8bit-MIMEtransport
1993-02
Proposed Standard RFC
Obsoleted by rfc1652

8 pages
RFC 1427
SMTP Service Extension for Message Size Declaration
1993-02
Proposed Standard RFC
Obsoleted by rfc1653

6 pages
RFC 1652
SMTP Service Extension for 8bit-MIMEtransport
1994-07
Draft Standard RFC
Obsoleted by rfc6152

8 pages
RFC 1653
SMTP Service Extension for Message Size Declaration
1994-07
Draft Standard RFC
Obsoleted by rfc1870

7 pages
RFC 1845
SMTP Service Extension for Checkpoint/Restart
1995-09
Experimental RFC

7 pages
RFC 1854
SMTP Service Extension for Command Pipelining
1995-10
Proposed Standard RFC
Obsoleted by rfc2197

9 pages
RFC 1870
SMTP Service Extension for Message Size Declaration
1995-11
Internet Standard RFC
Part of STD 10

31 pages
RFC 1891
SMTP Service Extension for Delivery Status Notifications Errata
1996-01
Proposed Standard RFC
Obsoleted by rfc3461

7 pages
RFC 1985
SMTP Service Extension for Remote Message Queue Starting Errata
1996-08
Proposed Standard RFC

6 pages
RFC 2034
SMTP Service Extension for Returning Enhanced Error Codes
1996-10
Proposed Standard RFC

8 pages
RFC 2197
SMTP Service Extension for Command Pipelining
1997-09
Draft Standard RFC
Obsoleted by rfc2920

8 pages
RFC 2487
SMTP Service Extension for Secure SMTP over TLS
1999-01
Proposed Standard RFC
Obsoleted by rfc3207

11 pages
RFC 2554
SMTP Service Extension for Authentication
1999-03
Proposed Standard RFC
Obsoleted by rfc4954

9 pages
RFC 2920
SMTP Service Extension for Command Pipelining
2000-09
Internet Standard RFC
Also known as STD 60

9 pages
RFC 3207
SMTP Service Extension for Secure SMTP over Transport Layer Security Errata
2002-02
Proposed Standard RFC
Updated by rfc7817

9 pages
RFC 3885
SMTP Service Extension for Message Tracking
2004-09
Proposed Standard RFC
Scott Hollenbeck
14 pages
RFC 4405
SMTP Service Extension for Indicating the Responsible Submitter of an E-Mail Message
2006-04
Historic RFC
1 Ted Hardie
20 pages
RFC 4954
SMTP Service Extension for Authentication Errata
2007-07
Proposed Standard RFC
Updated by rfc5248
Lisa M. Dusseault
7 pages
RFC 6152
SMTP Service Extension for 8-bit MIME Transport
2011-03
Internet Standard RFC
Also known as STD 71
Alexey Melnikov