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Re: [Emailcore] Ticket #13: G.7.7. Does the 'first digit only' and/or non-listed reply code text need clarification?

Dave Crocker <dhc@dcrocker.net> Tue, 19 January 2021 15:32 UTC

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Reply-To: dcrocker@bbiw.net
To: Alexey Melnikov <aamelnikov@fastmail.fm>, Alessandro Vesely <vesely@tana.it>, John C Klensin <john-ietf@jck.com>
Cc: emailcore@ietf.org
References: <20201217034150.AA9142AC1E50@ary.qy> <76CF0B1097EB28A5BDE902EE@PSB> <47407afa-6e6a-d0d2-a829-67d68fd0ee90@tana.it> <f99fb03d-f1ef-4b71-8731-5933026db5ce@www.fastmail.com>
From: Dave Crocker <dhc@dcrocker.net>
Organization: Brandenburg InternetWorking
Message-ID: <8a9a363a-68dd-80ed-2ff2-b4d19fb74359@dcrocker.net>
Date: Tue, 19 Jan 2021 07:31:50 -0800
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Subject: Re: [Emailcore] Ticket #13: G.7.7. Does the 'first digit only' and/or non-listed reply code text need clarification?
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On 1/19/2021 7:23 AM, Alexey Melnikov wrote:
> NEW: Sender-SMTP tests the whole 3 digit reply code it receives and 
> any supplemental codes or information (see RFC 3463 and RFC 5248) if
>  it recognizes them. Sender-SMTP MUST use the first digit (severity 
> indication) of a reply code it receives if the full reply code or 
> additional information is not recognized.


Given the normative term in the second sentence it seems odd -- and
possibly problematic -- to have no normative term in the first sentence.


I assume the intention here is:

     Sender-SMTP MUST first test the whole 3 digit reply code it
receives, as well as any accompanying supplemental codes or information
(see RFC 3463 and RFC 5248). If the full reply code or additional
information is not recognized, Sender-SMTP MUST use the first digit
(severity indication) of a reply code it receives


d/

-- 
Dave Crocker
Brandenburg InternetWorking
bbiw.net

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