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Re: [ietf-smtp] DSNs

2020-04-25 13:57:27
On 4/25/2020 11:47 AM, Viktor Dukhovni wrote:
I'm very much with Dave on this one.  If you're not offering
NOTIFY=SUCCESS, then you're not offering DSN.  Pretending to support it,
but then not offering it is breakage.  On the other hand, since I ignore
"DSN" on the outbound leg, I avoid running into any problems should the
remote side misrepresent its behaviour.

To be clear, I wasn't commenting on the details of what should be in the core, in this particular case.

But since you've raised it, I'll note that a core which has well-established failures to gain widespread adoption and use is a pretty poor core.

A specifications is not an exercisesin dictating ideals but in facilitating practice. When there is established practice, it needs to return the favor by dictating the specification.


Dave Crocker
Brandenburg InternetWorking

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