[Dovecot] SSL only for external connections

[Simon Brereton]

Hi

I'm running dovecot 1:1.2.15-7 and php webmail application is throwing errors 
when connecting to IMAP with TLS.  Is there away to disable SSL/TLS for 
localhost connections?  I googled, but didn't see anything specific.  Can I 
assume that it's as simple as setting ssl_listen = to the external IP 
address(es) and leaving listen = * as it is?

Thanks.

Simon