spf-discuss
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Re: theinquirer on spf / domainkeys

2003-12-08 08:27:17
On Mon, Dec 08, 2003 at 10:21:46AM -0500, Meng Weng Wong wrote:
|   
|   In this case the alternatives being "nipped in the bud" are proposals
|   like SPF, sponsored by Yahoo Mail rivals pobox.com.

rivals?  this made me laugh.  in the same way the chinese restaurant
across the street is a rival to McDonalds, sure.

|   On the other hand, the use of cryptography in Yahoo's protocol
|   potentially allows some clever tricks that aren't possible with the
|   simpler SPF system. One of these is rejection of spam that has been sent
|   through a mailing list and thus doesn't reach you directly from the
|   server of the perpetrator.

content-based solutions do solve the .forward problem.  an ESMTP
mail-from signature argument would also solve it, but i remember we
rejected on the grounds of unsuitability for "fast widespread adoption".

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