From: Victor Duchovni on
On Sat, Apr 10, 2010 at 09:19:50AM -0400, Wietse Venema wrote:

> So this is really about sending yourself mail via IMAP, instead of
> listing yourself in the Cc: address box.

Email Cc'd to the user does not necessarily arrive in the Sent folder
(it does for Gmail users, but Gmail's "folders" have annoying quirks
when used with IMAP).

Also, IMAP offers bandwidth efficient cut/paste message composition
mechanisms for suitably inter-operable low-bandwidth devices. The
client does not need to move all the message data back and forth.

> That saves no bandwidth - instead it reverses a single MTA->IMAP
> mail flow into IMAP->MTA, at the cost of another protocol.

The end-to-end story is bit more complex, because the user may be
responding to a large message, by e.g. forwarding a large attachment, ...
so the data is already on the IMAP server.

> There are smarter ways to do this: teach the IMAP server how talk
> authenticated SMTP (it can proxy the user's credentials, just like
> the MTA can proxy them with BURL). Then, the IMAP server can manage
> the entire message composition process instead of relying on BURL
> kludges.

Marshall Rose did something like this in the late 80's with the pop server
in MH toolkit. That POP server supported a message submission command,
so that POP clients did not need a separate SMTP server.

I too would have expected a new IMAP extension that would allow the IMAP
client to ask the IMAP server to post the message. I don't know why this
route was not taken.

--
Viktor.

P.S. Morgan Stanley is looking for a New York City based, Senior Unix
system/email administrator to architect and sustain our perimeter email
environment. If you are interested, please drop me a note.

From: Mike Abbott on
> This interpretation is incorrect, the 3-digit SMTP code, must match the
> 3-part DSN code. For transient errors use 454.

Thank you.
From: Charles Marcus on
On 2010-04-12 11:16 AM, Mike Abbott wrote:
>> How would this work for messages that are never saved to the Drafts
>> folder?
>
> Then instead the message could be saved to the Sent folder instead, and
> the submission server could fetch it from there. The MUA would have to
> remove it from the Sent folder if sending failed, of course. Nothing
> magic about the Drafts folder.

There is no IMAP client that I'm aware of that can 'save' a message to
to the Sent folder.

What makes the most sense to me is for the IMAP server to have a
'submission service' that can be used by the client *instead* of
defining/using an smtp server directly - then the IMAP server could take
care of both sending the message and saving the copy to the Sent folder.

--

Best regards,

Charles

From: Victor Duchovni on
On Mon, Apr 12, 2010 at 11:50:02AM -0400, Charles Marcus wrote:

> There is no IMAP client that I'm aware of that can 'save' a message to
> to the Sent folder.

They all do it, that's how messages end up in the Sent folder, you
are confused.

--
Viktor.

P.S. Morgan Stanley is looking for a New York City based, Senior Unix
system/email administrator to architect and sustain our perimeter email
environment. If you are interested, please drop me a note.

From: "Steve" on

-------- Original-Nachricht --------
> Datum: Mon, 12 Apr 2010 11:53:10 -0400
> Von: Victor Duchovni <Victor.Duchovni(a)morganstanley.com>
> An: postfix-users(a)postfix.org
> Betreff: Re: Patch: support BURL

> On Mon, Apr 12, 2010 at 11:50:02AM -0400, Charles Marcus wrote:
>
> > There is no IMAP client that I'm aware of that can 'save' a message to
> > to the Sent folder.
>
> They all do it, that's how messages end up in the Sent folder, you
> are confused.
>
AFAIK Outlook often saves the messages in a local Sent folder if you use Outlook as a pure IMAP client. On the IMAP server nothing gets saved.

But you are right. All the other clients that I know save the message on the server or at least are able to save the message on the server. I never managed to do that with Outlook without fancy macros/rules.


> --
> Viktor.
>
// Steve
--
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