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Re: DEPLOY: Microsoft Royalty Free Sender ID Patent License FAQ



[Shifting from the legal and political issue...]

On Tue, Aug 24, 2004 at 02:01:47PM -0700,
 George Mitchell <george@xxxxxxx> wrote 
 a message of 61 lines which said:

> * SPF+SRS is embodied in working code.  (Two widely publicized
>   implementations, and there are probably others.)
> * SPF+SRS is deployed.
> * SPF+SRS is not encumbered by any intellectual property claims.

SPF is coded and deployed. SRS is much less common (IMHO the SUBMITTER
extension could make SRS unnecessary).