Dovecot mangesieve proxy - internal failure

[Aki Tuomi]

> On 06/11/2019 16:15 telsch via dovecot <dovecot at dovecot.org> wrote:
> 
>  
> Hello list,
> 
> i'm running an internal dovecot instance with working managesieve. But
> on my external dovecot-proxy instance i got an internal error. Nothing
> logs on internal dovecot.
> 
> 


It seems you are trying to connect to STARTTLS port using SSL. You should probably tell in your passdb that the connection needs to use STARTTLS security, or configure the backend listener with ssl=yes.

Aki