scenario, you are right, SPF will be broken.
Well.. its implementation feature
От: dovecot от имени dove...@ptld.com
Отправлено: 17 января 2023 г. 23:18
Кому: dovecot@dovecot.org
Тема: Re: submission_host auth
> Let's say we have dovecot + sieve
Let's say we have dovecot + sieve plugin container.
Dovecot configured to use remote SMTP submission host to send messages:
submission_host = postfix.example.com:587
I reviewed my config to see how i did it. I think you are right and SASL isn't
used here. I have dovecot and postfix on the same
ot auth when
sending email via submisson_host.
If there is setting like
submission_host_master_user = mas...@example.com
submission_host_master_password = masterpass
to do authentication as master user in postfix who can send email as any user...
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От: dovecot от имени dove.
When using dovecot container with sieve plugin there is no sendmail to use for
sending email for sieve redirect action for example. We can use submission_host
instead https://doc.dovecot.org/settings/core/#core_setting-submission_host but
there is no way to specify credentials for auth in remot