On Fri, Jun 12, 2015 at 03:24:32PM +0200, Martin S wrote:

I get

openssl s_client -connect mail.myserver.tld:993 connect: Connection refused connect:errno=111

Both from a client laptop and on the roundcube server. Both roundcube and dovecot are installed on the same server.

That should give you a good idea about what's wrong with your setup.

http://lmgtfy.com/?q=dovecot+ssl+setup#

B