Re: [ietf-smtp] Fwd: Request to form a new WG: JMAP

Tony Finch <[email protected]> Fri, 11 Nov 2016 11:47:35 +0000
Newsgroups gmane.ietf.imapext
Message-ID <[email protected]>
Neil Jenkins <[email protected]> wrote:
>
> # Message submission

A few vague thoughts...

One of the problems with separating message submission and storage is that
there are a lot of tricky error handling and state transition issues as
the message moves from Drafts -> Outbox -> Sent, rolling back properly if
sending failed, partial failures for a subset of recipients, etc. It's not
uncommon for users who have been having problems to say something like
"but the message is in my Sent folder, it must have been sent!"

Also, my experience of MUAs reporting SMTP errors to users doesn't fill me
with confidence. The servers I used to run went to some effort to avoid
SMTP-time errors as much as possible, preferring to accept and bounce.
There's lots of scope to do much better in this area.

Tony.
-- 
f.anthony.n.finch  <[email protected]>  http://dotat.at/  -  I xn--zr8h punycode
Trafalgar: North or northwest 4 or 5. Moderate, occasionally rough for a time
in north. Showers. Good.

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