Protocol Action: SMTP Extensions to Proposed Standard
IESG Secretary <iesg-secretary@CNRI.Reston.VA.US> Wed, 03 February 1993 16:05 UTC
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From: IESG Secretary <iesg-secretary@CNRI.Reston.VA.US>
Subject: Protocol Action: SMTP Extensions to Proposed Standard
Date: Wed, 03 Feb 1993 11:05:02 -0500
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The IESG has approved the following Internet Drafts as a Proposed Standard. o "SMTP Service Extensions" <draft-rose-extensions-07.txt> o "SMTP Service Extension for 8bit-MIMEtransport" <draft-ietf-smtpext-8bit-mime-01.txt> o "SMTP Service Extension for Message Size Declaration" <draft-moore-extension-size-05.txt> The following companion document should be published as Informational. o "Transition of Internet Mail from Just-Send-8 to 8Bit-SMTP/MIME" <draft-ietf-smtpext-transition-03.txt> These documents are the product of the Internet Mail Extensions Working Group. The IESG contact persons are Russ Hobby and Erik Huizer. Technical Summary This series of documents define a framework for extending the SMTP service and an initial set of optional services including 8bit transport for MIME messages and message size declaration. The extensions mechanism defines a means whereby a server SMTP can inform a client SMTP as to the service extensions it supports. With the knowledge of the servers capabilities a client can without negotiation use enhanced services. The 8bit extensions document defines an extension to the SMTP service whereby content body consists of a MIME message containing arbitrary octet-aligned material may be exchanged. Note that this extension does NOT eliminate the possibility of an SMTP server limiting line length; servers are free to implement this extension but nevertheless set a line length limit no lower than 1000 octets. The message size document defines a SMTP service whereby a client may declare the size of a particular message to a server and a server may declare the maximum message size it is willing to accept to a client. This extension is intended to avoid sending a large message which will later be rejected to excessive size. Working Group Summary These documents are based on an earlier submission to the IESG "SMTP Extensions for Transport of Enhanced Messages". This document received significant comment during the last call. The protocol and documents were split into separate services and incremental technical changes were made to some aspects of the protocol. Protocol Quality The initial proposal submitted to the IESG was implemented and these documents reflect incremental changes to that initial proposal. The documents have received an extra-ordinary level of review and are understood to be complete. Greg Vaudreuil IESG Secretary
- Protocol Action: SMTP Extensions to Proposed Stan… IESG Secretary