Re: [ietf-smtp] DSNs
Dave Crocker <dhc@dcrocker.net> Sat, 25 April 2020 21:46 UTC
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To: Ned Freed <ned.freed@mrochek.com>
Cc: Viktor Dukhovni <ietf-dane@dukhovni.org>, ietf-smtp@ietf.org
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From: Dave Crocker <dhc@dcrocker.net>
Organization: Brandenburg InternetWorking
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Date: Sat, 25 Apr 2020 14:46:20 -0700
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Archived-At: <https://mailarchive.ietf.org/arch/msg/ietf-smtp/-e-qHxjw60L_Kvo32hHMCoqDjz0>
Subject: Re: [ietf-smtp] DSNs
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On 4/25/2020 2:15 PM, Ned Freed wrote: >> The danger of a pick-and-choose free-for-all is that a claim to support >> a specification provides little useful information. > > Dave, we're talking about having an operational policy of restricing the > use of > exactly one feature which made sense when the standard was defined but has > issues today. This is hardly a pick-and-choose free-for-all. Apparently I was too terse and also too loose with terminology. Being casual about the word 'support', given the nature of this thread, was particularly unfortunate. First, I meant whether the feature worked, for whatever reason. If operational policy prohibits its use, then it doesn't work. And my comment, quoted above, was meant to imply that the spec needs to change. There is widespread and intentional non-use of the feature, so it has become obsolete. It's presence in the specification now creates a misunderstanding about what is needed in the working Internet. d/ -- Dave Crocker Brandenburg InternetWorking bbiw.net
- [ietf-smtp] SMTP, DSNs, and enhanced replies (was… John C Klensin
- Re: [ietf-smtp] SMTP, DSNs, and enhanced replies … Hector Santos
- Re: [ietf-smtp] SMTP, DSNs, and enhanced replies … Dave Crocker
- Re: [ietf-smtp] SMTP, DSNs, and enhanced replies … Brandon Long
- Re: [ietf-smtp] SMTP, DSNs, and enhanced replies … John Levine
- Re: [ietf-smtp] SMTP, DSNs, and enhanced replies Dave Crocker
- Re: [ietf-smtp] SMTP, DSNs, and enhanced replies John R Levine
- Re: [ietf-smtp] SMTP, DSNs, and enhanced replies … Ned Freed
- Re: [ietf-smtp] SMTP, DSNs, and enhanced replies Ned Freed
- Re: [ietf-smtp] SMTP, DSNs, and enhanced replies Jeremy Harris
- Re: [ietf-smtp] DSNs Claus Assmann
- Re: [ietf-smtp] DSNs Viktor Dukhovni
- Re: [ietf-smtp] DSNs John Levine
- Re: [ietf-smtp] DSNs John C Klensin
- Re: [ietf-smtp] DSNs John Levine
- Re: [ietf-smtp] DSNs Alessandro Vesely
- Re: [ietf-smtp] DSNs Viktor Dukhovni
- Re: [ietf-smtp] DSNs Ned Freed
- Re: [ietf-smtp] DSNs Dave Crocker
- Re: [ietf-smtp] DSNs Viktor Dukhovni
- Re: [ietf-smtp] DSNs Dave Crocker
- Re: [ietf-smtp] DSNs Ned Freed
- Re: [ietf-smtp] DSNs Dave Crocker
- Re: [ietf-smtp] DSNs Jeremy Harris
- Re: [ietf-smtp] DSNs John C Klensin
- Re: [ietf-smtp] DSNs Scott Kitterman
- Re: [ietf-smtp] DSNs John C Klensin
- [ietf-smtp] Variable HELO name, was DSNs Alessandro Vesely
- Re: [ietf-smtp] DSNs Arnt Gulbrandsen
- Re: [ietf-smtp] Variable HELO name, was DSNs Ned Freed
- Re: [ietf-smtp] Variable HELO name, was DSNs John C Klensin
- Re: [ietf-smtp] DSNs John C Klensin
- Re: [ietf-smtp] DSNs Dave Crocker
- Re: [ietf-smtp] DSNs Ned Freed
- Re: [ietf-smtp] DSNs Viktor Dukhovni
- Re: [ietf-smtp] DSNs John Levine
- Re: [ietf-smtp] DSNs Sam Varshavchik
- Re: [ietf-smtp] DSNs Valdis Kl ē tnieks
- Re: [ietf-smtp] DSNs Scott Kitterman
- Re: [ietf-smtp] DSNs John Levine
- Re: [ietf-smtp] DSNs Sam Varshavchik
- Re: [ietf-smtp] DSNs Valdis Kl ē tnieks
- Re: [ietf-smtp] DSNs Laura Atkins
- Re: [ietf-smtp] DSNs Sam Varshavchik
- Re: [ietf-smtp] DSNs John Levine
- Re: [ietf-smtp] DSNs Sam Varshavchik
- Re: [ietf-smtp] DSNs John Levine
- Re: [ietf-smtp] DSNs Sam Varshavchik
- Re: [ietf-smtp] DSNs Ned Freed
- Re: [ietf-smtp] DSNs Viktor Dukhovni
- Re: [ietf-smtp] DSNs Sam Varshavchik