[stunnel-users] is it possible to make stunnel works for dbmail timsieved?

hello everyone,

I'm currently try to stunnel sieve traffic to local dbmail timsieved, unfortunately I couldn't get it to work, my first question, does stunnel support sieve manage protocol? secondly if it does, how can I config the service?

what I've done so far. timsieved started on 127.0.0.1:2000, connect and manage all works, I saw connection in dbmail log, then define sieve service block in stunnel.conf, restart stunnel, but if I connect our.public.ip:4190, timsieved becames no connection at all, dbmail log kept silent. traffic from port 4190 is already accepted in iptables.

config that I used.

[sieve] accept = our.public.ip:4190 connect = 127.0.0.1:2000

software version: stunnel-5.43 dbmail-3.2.3

Thanks.