[Dovecot] tcp wrappers?

How can I secure dovecot listening on port 143 to specific machines only?

Squirrelmail suggests using non-ssl if the imap daemon is on the same host...

Otherwise squirrelmail could use TLS but what about other clients wanting to use SSL on port 993? (sorry I don't know enough about TLS).

Thanks, Roman.

Roman Bogoyev, I.T. Manager School of Mathematics and Statistics email: roman@maths.uwa.edu.au University of Western Australia tel: +61 8 6488 3379 35 Stirling Hwy, Crawley 6009 fax: +61 8 6488 1028 Western Australia