Re: [ietf-smtp] [Emailcore] Proposed ESMTP keyword RCPTLIMIT

Ned Freed <ned.freed@mrochek.com> Mon, 15 March 2021 18:38 UTC

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Cc: ietf-smtp@ietf.org, ned.freed@mrochek.com
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Date: Mon, 15 Mar 2021 11:33:23 -0700 (PDT)
From: Ned Freed <ned.freed@mrochek.com>
In-reply-to: "Your message dated Mon, 15 Mar 2021 13:48:28 -0400" <20210315174830.8FC177086821@ary.qy>
References: <01RWOXG9DD74005PTU@mauve.mrochek.com> <20210315174830.8FC177086821@ary.qy>
To: John Levine <johnl@taugh.com>
Archived-At: <https://mailarchive.ietf.org/arch/msg/ietf-smtp/ITnkcsqGlDb2yubul9flKbnr2UQ>
Subject: Re: [ietf-smtp] [Emailcore] Proposed ESMTP keyword RCPTLIMIT
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You're right. I missed the implication of the first line of ABNF. Will fix.

> It appears that Ned Freed  <ned.freed@mrochek.com> said:
> >> Thanks.  I noted that parameters for the "LIMITS" keywork are ";" delimited,
> >> that's not the common pattern in EHLO keywords, where e.g. SASL mechanisms,
> >> are space-separated.
> >
> >(I was wondering if anyone would notice this.)
> >
> >It may be a common pattern - and in fact it's what I used initially. But then I
> >checked, and it's actually syntactically invalid according to RFC 5321:
> >
> >   ehlo-line      = ehlo-keyword *( SP ehlo-param )

> I must be missing something.  It looks to me like a keyword followed by a
> space separated list of parameters.

> Like, say, this:

> 220 smtp.gmail.com ESMTP e190sm12987109qkd.122 - gsmtp
> ehlo pedro
> 250-smtp.gmail.com at your service, [2001:470:8d03:c0d:503e:8cc:f15b:bf7d]
> 250-SIZE 35882577
> 250-8BITMIME
> 250-AUTH LOGIN PLAIN XOAUTH2 PLAIN-CLIENTTOKEN OAUTHBEARER XOAUTH
> 250-ENHANCEDSTATUSCODES
> 250-PIPELINING
> 250-CHUNKING
> 250 SMTPUTF8
> quit

> R's,
> John