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Re: [ietf-smtp] on liberality, was MTS-STS_validation

2021-04-04 16:17:52
On 4/4/2021 2:13 PM, John Levine wrote:
One could read the standard either way,

The above is an example of the essential requirement to Postel's directive. In the face of possible ambiguity in how a standard is interpreted, try to be conservative in what you send and try to be liberal in what you accept.

Absent that kind of contextual constraint, the directive produces non-interoperability.

d/

--
Dave Crocker
Brandenburg InternetWorking
bbiw.net

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