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Re: consensus call on pra/mailfrom deployment and versioning/scope

2004-09-09 05:14:32

On Wed, 8 Sep 2004, Stephane Bortzmeyer wrote:

Forwarding can be "repaired" with things like SUBMITTER or SRS (I
prefer SUBMITTER). SPF-classic breaks forwarding but SenderID may be
changed to repair it.

SUBMITTER is just an optimisation: it has no effect on semantics and it
does nothing to fix the interoperability problems. Most of the problems
arise in a mixed environment with some sites that implement Sender-ID and
some that do not. They are a result of trying to authenticate a message
with respect to an MTA, which is the fundamental error of all designated
sender schemes.

See http://www.imc.org/ietf-mxcomp/mail-archive/msg04462.html for a more
thorough analysis of problems caused by Sender-ID.

Tony.
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