[Dovecot] Dovecot MSA -> Simple MTA -> MTA

[Andrzej A. Filip]

On 11/10/2013 12:59 AM, Reindl Harald wrote:
> 
> 
> Am 10.11.2013 00:48, schrieb Andrzej A. Filip:
>> On 11/08/2013 02:07 PM, Timo Sirainen wrote:
>>> [...]
>>> So perhaps something like this could be done in time for Dovecot v2.4. Any thoughts/ideas/suggestions?
>>
>> Have you considered creating SMTP MSA (port 587) server as "step one"?
>>
>> Making dovecot itself handle SMTP AUTH may help to better integrate
>> dovecot with a few more MTA servers.
> 
> hardly - only in very small environments this could work
> 
> everywhere else you have sender-dependent relay hosts, RCPT dependent relayhosts
> and all sort of aliases which you *do not* want treated different between
> incoming mail from outside or a internal server and submission mail
> 
> the only real difference between submission is that it is authenticated
> and because the authentication a few restrictions are not applied
> 
> but in usual there is and must not be any difference in the mail-routing
> 
> so no - make it complete or not at all

Would "simple MTA" make more sense to you?
* MSA
* sending out via smart host
* accepting incoming from email gateway

It may make sense for organizations with geographically distributed
branches.