Vacation use different SMTP server

[Stephan Bosch]

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.

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> Citát azurit at pobox.sk:
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>> 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]).
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>> 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
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