Subject: RE: Differences between CSV and Sender-ID

From: "Olson, Margaret" <[email-masked]>
Date: Wed, 30 Jun 2004 11:31:42 -0400

> [mailto:[email-masked]] On Behalf Of Andrew Newton

>     Do you appreciate the difference between a HELO check vs. a 
> MAILFROM/PRA/SUBMITTER check?
Yes

>     Do you understand the semantic differences between a CSV check on 
> HELO and an SPF/Sender-ID check on HELO?
No. I have found this thread very muddled and difficult to follow. As
far as I can tell this has not been stated clearly.

>     Is it clear to you that CSV has definite security advantages over 
> SPF/Sender-ID?
No.

In general it would be helpful if semantics and requirements for
semantics were explored prior to discussions of syntax or encoding.

Margaret.