docs/119706: [patch] Update man page for mailer.conf to include exim example

[trhodes at FreeBSD.org]

Synopsis: [patch] Update man page for mailer.conf to include exim example

State-Changed-From-To: open->closed
State-Changed-By: trhodes
State-Changed-When: Mon Jan 21 05:45:42 UTC 2008
State-Changed-Why: 
Close this PR.  We cannot be expected to add documentation supporting every
third party mail transfer agent that runs on FreeBSD.  If the submitter wishes
to submit and maintain an article or handbook section, it will be most welcome.

http://www.freebsd.org/cgi/query-pr.cgi?pr=119706