Vacation use different SMTP server

[azurit at pobox.sk]

Really no more info?





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