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Re: [ietf-smtp] Endless debate on IP literals

2019-12-31 19:54:11
On 12/31/2019 5:28 PM, John R Levine wrote:
With a clearer split between SMTP and submission, that seems sensible. Submission can excuse all sorts of antique stuff that SMTP wouldn't.

Given that there has already been a vigorous effort to demand much more stringent (security-related) efforts in the operation of MTAs, it's certainly worth considering application of that demand to this revision effort.

The question should be what the driving criteria are. The follow-on question will be how to apply them, of course.

Over the last week, I've found myself increasingly thinking that an effort to simplify and focus the document, as much as possible, would be especially helpful, notably distinguishing more general email 'systems' discussion from the specific transfer functionality that is SMTP's domain.

Dave Crocker
Brandenburg InternetWorking

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