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Re: [ietf-dkim] Re: Additional lookups

2007-03-04 06:58:01


Douglas Otis wrote:

On Mar 3, 2007, at 11:53 PM, John L wrote:

When two options are possible, knowing whether the signer's algorithm for the message has been downgraded.

The only two options of any importance to a receiver are "has a valid signature" or "doesn't have a valid signature." No amount of sender policy blather about allegedly upgraded, downgraded, or sidegraded signing algorithms makes any difference.

There will be questions about whether a message is abusively being replayed. There may be questions about what email-address is assured. Assurances could become problematic when the signing domains and the email addresses are expressed differently.

Doug,

This isn't a debating society. Please don't continue to try drag us
back to arguments that were settled months ago. (You're not the
only one, but the above paragraph is a very good example;-)

S.
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