New Dovecot service: SMTP Submission (RFC6409)

Stephan Bosch stephan at
Sat Dec 16 12:10:14 EET 2017

Op 12/14/2017 om 6:07 PM schreef Tanstaafl:
> One other point.
> Adding support for something like this that also requires Clients to add
> support for it is just begging for a feature that never gets used.
> Stephan, are you sure there is no (fairly simple) way to make this an
> SMTP service that any email client that supports SMTP can use?

It already is a normal compliant SMTP submission server. Just the BURL
part is something that requires additional client support.


> On 12/14/2017, 10:57:44 AM, Tanstaafl <tanstaafl at> wrote:
>> On 12/14/2017, 3:03:41 AM, Aki Tuomi <aki.tuomi at> wrote:
>>> On 13.12.2017 21:41, Tanstaafl wrote:
>>>> On 12/12/2017, 1:39:08 PM, Stephan Bosch <stephan at> wrote:
>>>> I thought this was simply going to be an SMTP like service that any SMTP
>>>> client could utilize, keeping the BURL/URLAUTH pieces working only
>>>> between Dovecot and the MTA it works with. Meaning, instead of
>>>> connecting an SMTP service provided by Postfix, you connect to one
>>>> provided by Dovecot. I guess there is a good reason it couldn't be made
>>>> to work this way.
>>>> For obvious reasons, the likelihood that Thunderbird will add
>>>> BURL/URLAUTH support anytime in the next few years is probably nonexistent.
>>> Actually it's supposed to serve as SMTP-like service as well.
>> Meaning... it actually won't require Thunderbird to implement anything
>> (at least painful) to allow it to make use of it?
>> <he said in a meek, hopeful voice>
>> Thanks Aki,
>> Charles

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