RE: [Asrg] 6. Proposals - CRI Draft

If we start adding various messaging such as with DSNs...I don't think
that we should be hijacking a sender's email address to carry various
protocol information.

Of course, that's just my opinion and why it's merely a recommendation
rather than a must, shall...

> -----Original Message-----
> From: asrg-admin@ietf.org [mailto:asrg-admin@ietf.org] On Behalf Of
Peter
> Kay
> Sent: Wednesday, October 01, 2003 12:08 PM
> To: asrg@ietf.org
> Subject: [Asrg] 6. Proposals - CRI Draft - 4.1 Loop Avoidance
> 
> I finally had a chance to come up for air to respond to Eric/Yakov's
> draft
> at http://www.ietf.org/internet-drafts/draft-irtf-asrg-cri-00.txt  .
> ASRG owes you much for your hard work in creating this document and I
> personally thank you for furthering an important area of
> interoperability.
> 
> On loop avoidance section, specifically:
> 
> "For CRI systems that issue challenge messages, it is also recommended
> that each CRI system use a local systemwide user, such as cri@foo.com,
> for issuing challenges rather than preserving the original sender's
> email address as the sender of the challenge message."
> 
> We disgree.
> 
> Most CR systems automatically/dynamically add the recipient to the
> sender's whitelist.  So if I send an email to eric@cri.com, he's
> automatically added to my whitelist.  If the mail-from on his
challenge
> is eric@cri.com, his email comes straight to my inbox without delays
or
> filters and certainly won't get challenged.  If the mail-from on his
> challenge is "challenger@cri.com", the CRI protocol needs to be
invoked,
> possibly creating unecessary overhead.
> 
> Keeping the mail-from consistent allows CRI systems to naturally
> interoperate and assuming that the CR system adds recipients to the
> whitelist, elegantly solves the problem of CR systems challenging
other
> challenges.
> 
> Peter
> 
> 
> 
> 
> 
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RE: [Asrg] 6. Proposals - CRI Draft - 4.1 Loop Avoidance