Re: [ietf-smtp] [Technical Errata Reported] RFC5321 (5414)

I might have DRUMS archived but would have to verify that I do and that it's readable by a client currently runnable. 

Sent from my iPhone

> On Jun 30, 2018, at 8:24 PM, John C Klensin <john-ietf@jck.com> wrote:
> 
> Hi.
> 
> Because I couldn't remember whether this was done intentionally
> or not, I forwarded this to the ietf-smtp list.  It appears from
> discussion there that this was done (by the DRUMS WG) to align
> the successors to RFC 821 with the successors to RFC 822 and so
> is deliberate.   It may be that DRUMS made the wrong decision
> and that the empty construction that this allows should be
> disallowed in both specifications, but that would be a
> substantive change, not an erratum.
> 
> Recommendation:
> 
> (1) The erratum should be rejected.  Like it or not, the ABNF in
> 5321 is intentional, at least in part for consistency between
> the SMTP Standard and the Mail Headers one.
> 
> (2) If Mr. Romerstein believes that a Local-part of "", i.e., a
> Mailbox that looks like  ""@Domain, should be prohibited, I
> suggest that he review the recent thread on ietf-smtp
> (https://www.ietf.org/mailman/listinfo/ietf-smtp) and, if they
> can be found and searched (I suspect they cannot) the archives
> of the mailing list for the long-gone DRUMS WG to understand the
> history of this issue.   Once that history is at least
> understood in general terms, an Internet-Draft that would change
> this for both SMTP and Mail-Headers would be procedurally in
> order.  Of course, that is not a prediction that such a draft
> will be successful in gaining consensus... I can't even guess at
> that.
> 
> best,
>   john
> 
> 
> --On Friday, June 29, 2018 15:30 -0700 RFC Errata System
> <rfc-editor@rfc-editor.org> wrote:
> 
>> The following errata report has been submitted for RFC5321,
>> "Simple Mail Transfer Protocol".
>> 
>> --------------------------------------
>> You may review the report below and at:
>> http://www.rfc-editor.org/errata/eid5414
>> 
>> --------------------------------------
>> Type: Technical
>> Reported by: David Romerstein <romer@apple.com>
>> 
>> Section: 4.1.2
>> 
>> Original Text
>> -------------
>> Quoted-string  = DQUOTE *QcontentSMTP DQUOTE
>> 
>> Corrected Text
>> --------------
>> Quoted-string  = DQUOTE 1*QcontentSMTP DQUOTE
>> 
>> Notes
>> -----
>> As written, this allows for an email envelope recipient
>> (Forward-path) with a NULL value for the local part of their
>> address. This is a functional departure from similar wording
>> in the preceding RFC 821, which defines quoted-string in such
>> a way as to require at least one character that is not one of
>> the surrounding quotation marks.
>> 
>> Instructions:
>> -------------
>> This erratum is currently posted as "Reported". If necessary,
>> please use "Reply All" to discuss whether it should be
>> verified or rejected. When a decision is reached, the
>> verifying party   can log in to change the status and edit the
>> report, if necessary. 
>> 
>> --------------------------------------
>> RFC5321 (draft-klensin-rfc2821bis-11)
>> --------------------------------------
>> Title               : Simple Mail Transfer Protocol
>> Publication Date    : October 2008
>> Author(s)           : J. Klensin
>> Category            : DRAFT STANDARD
>> Source              : IETF - NON WORKING GROUP
>> Area                : N/A
>> Stream              : IETF
>> Verifying Party     : IESG
> 
> 
> 
> 
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