Vacation use different SMTP server

[azurit at pobox.sk]

Is Pigeonhole really using LDA for sending? My Dovecot is using LMTP, not LDA.





Citát Stephan Bosch <stephan at rename-it.nl>:

> Op 28-1-2020 om 19:20 schreef azurit at pobox.sk:
>> Really no more info?
>
>
> You could do something with the sendmail_path or submission_host settings.
>
> Regards,
>
> Stephan.
>
>>
>>
>>
>>
>> Citát azurit at pobox.sk:
>>
>>> Thanks for idea but it won't work for me as 'internal domains' can  
>>> be anything, including gmail.com (and i don't know which of them  
>>> are really internal/local, this is decided by sending SMTP  
>>> everytime something is sent, based on MX records). Problem is that  
>>> Dovecot/Sieve is using wrong SMTP server (one used for receiving  
>>> e-mails which should NEVER be used for sending [and is never is,  
>>> except sieve]).
>>>
>>>
>>>
>>>
>>>
>>> Citát "KOCIK Fabien (Acoss)" <fabien.kocik at acoss.fr>:
>>>
>>>> Hi,
>>>>
>>>> I had the same problem and solved it at architectural design level.
>>>>
>>>> Instead of forcing Sieve to use a different SMTP server, I  
>>>> declared some transports in the sending SMTP server to force it  
>>>> to route internal domains directly to receiving SMTP server  
>>>> without going to the Internet.
>>>> So, internal mails remains on internal network and there is only  
>>>> one SMTP server for all mail traffic.
>>>>
>>>> Sorry, I know that I don't answer directly to the original  
>>>> question. But in the context, may be an idea ?
>>>>
>>>> Regards.
>>>> Fabien
>>>>
>>>> -----Message d'origine-----
>>>> De : dovecot <dovecot-bounces at dovecot.org> De la part de azurit at pobox.sk
>>>> Envoyé : vendredi 24 janvier 2020 12:39
>>>> À : Dovecot Mailing List <dovecot at dovecot.org>
>>>> Objet : Vacation use different SMTP server
>>>>
>>>> Hi,
>>>>
>>>> in our setup, we have two SMTP servers:
>>>>  - one for receiving messages (this one is using Dovecot's LMTP  
>>>> for delivery)
>>>>  - one for sending messages (this one is used by our users as  
>>>> outgoing SMTP server)
>>>>
>>>> Only the first one has list of local domains, local e-mail  
>>>> accoutns etc. so the second one will ALWAYS use MX records for  
>>>> delivery - with this setup, we can allow to our users to add any  
>>>> domain to their accounts (for example, if someone will add  
>>>> gmail.com and create e-mail accounts on it, it's complete safe  
>>>> because we will never deliver mail for gmail.com locally). The  
>>>> only problem seems to be vacation messages (maybe other messages  
>>>> send by sieve), as Dovecot is using the first SMTP server for  
>>>> sending.
>>>>
>>>> My questions: Can i set different SMTP server for sieve messages?  
>>>> How exactly is Dovecot/Sieve choosing which SMTP server will be  
>>>> used?
>>>>
>>>> Thanks.
>>>>
>>>> azur
>>
>>
>>