As an example, an ISP that has 10k business customers who potentially
will want signed mail a Commercial.isp.com signing domain would
assert I only sign 3rd party
It may well be true that you only sign third party mail, but I still
don't understand what use a recipient might make of that information.
If they get unwanted mail from someone and you've signed it, they'll
complain to you regardless.
R's,
John
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