spf-discuss
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Re: What about reverse source path?

2004-05-28 20:36:29
On Fri, 2004-05-28 at 15:18, David Brodbeck wrote:
The majority of email clients on the Internet are running Microsoft
software. Without Microsoft on board any attempt to reform how email is
handled won't get very far.

Are the number of email clients really the issue?  We are talking about
MTA changes, not MUA changes.  Does anything in SPF influcence an MUA,
other than possibly requiring authenticated SMTP?