Protocol Action: SMTP Service Extension Documents to Draft Standard
IESG Secretary <iesg-secretary@CNRI.Reston.VA.US> Thu, 09 June 1994 19:49 UTC
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From: IESG Secretary <iesg-secretary@CNRI.Reston.VA.US>
Subject: Protocol Action: SMTP Service Extension Documents to Draft Standard
Date: Thu, 09 Jun 1994 15:49:12 -0400
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The IESG has approved the following three Internet-Drafts: o "SMTP Service Extensions" <draft-ietf-smtpext-extensions-01.txt> o "SMTP Service Extension for 8bit-MIMEtransport" <draft-ietf-smtpex-8bitmime-01.txt> o "SMTP Service Extension for Message Size Declaration" <draft-ietf-smtpext-size-01.txt> as Draft Standards. These documents are the product of the Internet Mail Extensions Working Group. The IESG contact person is 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 bodies consisting 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 from a client. This extension is intended to avoid sending a large message which will later be rejected due to excessive size. Working Group Summary The documents have been updated to reflect implementation experience during the period when they were at Proposed Standard level. 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 a high level of review and are understood to be complete.
- Protocol Action: SMTP Service Extension Documents… IESG Secretary