🚀 go-pugleaf

In message <Snews.980910.175001.chris.10989@keris.demon.co.uk>
          chris@keris.demon.co.uk (Chris Croughton) wrote:

> Does anyone know of a specification for ESMTP?  All I know about it is that
> it starts EHLO rather than HELO.  I can't find anything in the RFC index,
> searching under SMTP, mail etc.

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

Plus all the others that define the various extensions themselves:

gosford [~/rfcs] % grep SMTP rfc-index.txt
0876 Survey of SMTP implementations. D. Smallberg. Sep-01-1983.
1047 Duplicate messages and SMTP. C. Partridge. Feb-01-1988. (Format:
1090 SMTP on X.25. R. Ullmann. Feb-01-1989. (Format: TXT=6141 bytes)
1425 SMTP Service Extensions. J. Klensin, WG Chair, N. Freed, Editor,
1426 SMTP Service Extension for 8bit-MIMEtransport. J. Klensin, WG
1427 SMTP Service Extension for Message Size Declaration. J. Klensin,
1428 Transition of Internet Mail from Just-Send-8 to 8bit-SMTP/MIME.
1651 SMTP Service Extensions. Klensin, N. Freed, M. Rose, E. Stefferud
1652 SMTP Service Extension for 8bit-MIMEtransport. Klensin, N. Freed,
1653 SMTP Service Extension for Message Size Declaration. J. Klensin,
1830 SMTP Service Extensions for Transmission of Large and Binary MIME
1845 SMTP Service Extension for Checkpoint/Restart. D. Crocker, N.
1846 SMTP 521 Reply Code. A. Durand & F. Dupont. September 1995.
1854 SMTP Service Extension for Command Pipelining. N. Freed. October
1869 SMTP Service Extensions. J. Klensin, N. Freed, M. Rose, E.
1870 SMTP Service Extension for Message Size Declaration. J. Klensin,
1891 SMTP Service Extension for Delivery Status Notifications. K.
1985 SMTP Service Extension for Remote Message Queue Starting. J. De
2034 SMTP Service Extension for Returning Enhanced Error Codes. N.
2197 SMTP Service Extension for Command Pipelining. N. Freed.

Tom

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Tom Hughes (tom@compton.demon.co.uk)
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