I know that you don't want to RTFM but this *will* help - Honest :-) cp /usr/share/doc/exim4-daemon-heavy/README.Debian.gz . gunzip README.Debian.gz less README.Debian It outlines the differences and has details on TLS -- Simon Faulkner 01538 303 900 http://dpnet.co.uk Dedicated Programmes Limited Staffordshire Moorlands