Re: [dane] Digest Algorithm Agility discussion

Paul Wouters <paul@nohats.ca> Mon, 24 March 2014 14:54 UTC

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Date: Mon, 24 Mar 2014 10:54:35 -0400 (EDT)
From: Paul Wouters <paul@nohats.ca>
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Subject: Re: [dane] Digest Algorithm Agility discussion
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On Sun, 23 Mar 2014, Viktor Dukhovni wrote:

> when the TLSA records are entirely unusable, and in keeping with Tony's
> original work on the SRV draft, the client reverts to legacy
> mandatory (practically always unauthenticated) TLS.

That's unfortunate. Perhaps it depends on the definition of "unusable",
but if all TLSA records for instance fail the RRSIG validation, I would
hope that postfix would abort delivery attempts and definately _not_
fallback to unauthenticated TLS.

Paul