You are hardcoding the port. I'm pretty sure your managesieve is not listening on 143 =)
Aki > On 06/11/2019 16:46 telsch via dovecot <dovecot@dovecot.org> wrote: > > > If i change it to: > > passdb { > args = /etc/dovecot-proxy/dovecot-ldap-passdb.conf.ext > default_fields = proxy=y host=server.intra.lan port=143 starttls=yes > master=proxy pass=#hidden_use-P_to_show# > driver = ldap > } > > I still got the same error for mangesieve. IMAP login works with both > SSL/STARTTLS. > > On 11/6/19 3:19 PM, Aki Tuomi via dovecot wrote: > > > >> On 06/11/2019 16:15 telsch via dovecot <dovecot@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 > >