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Re: [ietf-smtp] parsing SMTP replies

2021-03-18 17:04:26
On 3/17/21 10:54 PM, Viktor Dukhovni wrote:

>> On Mar 17, 2021, at 10:39 PM, Keith Moore 
<moore(_at_)network-heretics(_dot_)com> wrote:
>> It's been a long time but I'm pretty sure I've seen situations in which it 
made sense for the recipient limit to be 1.   For example: a special-purpose device 
(e.g. email to fax, email to printer) or a gateway to a dissimilar mail system, or 
anything for which it makes sense to insist that per-recipient errors get immediately 
reported to the client.
> That's really the realm of LMTP, final delivery, not relaying.

No, it's not.   I didn't say anything about this being used for final
delivery.   The point is that there are legitimately SMTP servers that
potentially accept traffic from the public Internet, that aren't
full-blown MTAs.

All true, but nothing prevents this extension from being used with LMTP.
I will adjust the document accordingly.


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