Dovecot docker auto-responder - delegate to external SMTP

[Piotr Auksztulewicz]

On Mon, Oct 19, 2020 at 12:28:37PM +0200, Thomas Pronold wrote:
> I have dockerized my dovecot setup. Everything works fine besides
> auto-responder using sieve.
> 
> Issue is that the my dovecot docker image does NOT come with a SMTP which
> could be used for outgoing mail.
> 
> My SMTP setup (postfix) is in another image/container.
> 
> I want to keep it that way, so that dovecot and postfix have separate
> images.

I use msmtp for that, and install it as sendmail in the container.
It is rather simple SMTP client but quite configurable, and you can
configure TLS and authentication for better security.

-- 
Piotr "Malgond" Auksztulewicz                     firstname at lastname.net