A New Internet-Draft is available from the on-line Internet-Drafts directories. This draft is a work item of the Applications Area Working Group Working Group of the IETF.
Title : Advice for Safe Handling of Malformed Messages
Author(s) : Murray S. Kucherawy
Filename : draft-ietf-appsawg-malformed-mail-02.txt
Pages : 16
Date : 2012-05-19
The email ecosystem has long had a very permissive set of common
processing rules in place, despite increasingly rigid standards
governing its components, ostensibly to improve the user experience.
The handling of these come at some cost, and various components are
faced with decisions about whether or not to permit non-conforming
messages to continue toward their destinations unaltered, adjust them
to conform (possibly at the cost of losing some of the original
message), or outright rejecting them.
This document includes a collection of the best advice available
regarding a variety of common malformed mail situations, to be used
as implementation guidance. It must be emphasized, however, that the
intent of this document is not to standardize malformations or
otherwise encourage their proliferation. The messages are manifestly
malformed, and the code and culture that generates them needs to be
fixed. Nevertheless, many malformed messages from otherwise
legitimate senders are in circulation and will be for some time, and,
unfortunately, commercial reality shows that we cannot simply reject
or discard them. Accordingly, this document presents recommendations
for dealing with them in ways that seem to do the least additional
harm until the infrastructure is tightened up to match the standards.
A URL for this Internet-Draft is:
http://www.ietf.org/internet-drafts/draft-ietf-appsawg-malformed-mail-02.txt
Internet-Drafts are also available by anonymous FTP at:
ftp://ftp.ietf.org/internet-drafts/
This Internet-Draft can be retrieved at:
ftp://ftp.ietf.org/internet-drafts/draft-ietf-appsawg-malformed-mail-02.txt
The IETF datatracker page for this Internet-Draft is:
https://datatracker.ietf.org/doc/draft-ietf-appsawg-malformed-mail/
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