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Smtpext Workgroup RFCs

Browse Smtpext Workgroup RFCs by Number

RFC1425 - SMTP Service Extensions
This memo defines a framework for extending the SMTP service by defining a means whereby a server SMTP can inform a client SMTP as to the service extensions it supports. [STANDARDS-TRACK]
RFC1426 - SMTP Service Extension for 8bit-MIMEtransport
This memo defines an extension to the SMTP service whereby an SMTP content body containing octets outside of the US ASCII octet range (hex
RFC1427 - SMTP Service Extension for Message Size Declaration
This memo defines an extension to the SMTP service whereby an SMTP client and server may interact to give the server an opportunity to decline to accept a message (perhaps temporarily) based on the client's estimate of the message size. [STANDARDS-TRACK]
RFC1428 - Transition of Internet Mail from Just-Send-8 to 8bit-SMTP/MIME
This document outlines the problems in this environment and an approach to minimizing the cost of transition from current usage of non-MIME 8bit messages to MIME. This RFC provides information for the Internet community. It does not specify an Internet standard.
RFC1653 - SMTP Service Extension for Message Size Declaration
This memo defines an extension to the SMTP service whereby an SMTP client and server may interact to give the server an opportunity to decline to accept a message (perhaps temporarily) based on the client's estimate of the message size. [STANDARDS-TRACK]
RFC1869 - SMTP Service Extensions
This memo defines a framework for extending the SMTP service by defining a means whereby a server SMTP can inform a client SMTP as to the service extensions it supports. [STANDARDS-TRACK]
RFC1870 - SMTP Service Extension for Message Size Declaration
This memo defines an extension to the SMTP service whereby an SMTP client and server may interact to give the server an opportunity to decline to accept a message (perhaps temporarily) based on the client's estimate of the message size. [STANDARDS-TRACK]