From owner-freebsd-ports@FreeBSD.ORG  Fri Apr 27 16:33:53 2007
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From: Chuck Swiger <cswiger@mac.com>
Date: Fri, 27 Apr 2007 09:33:52 -0700
To: David Southwell <david@vizion2000.net>
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On Apr 27, 2007, at 7:39 AM, David Southwell wrote:
> Before starting to build it  I am wondering if anyone knows of a  
> port that
> will do what I require. I am reluctant (and too lazy <chuckles>) to  
> want to
> reinvent the wheel!!!

You're asking the same questions over and over again.  Didn't you  
read the earlier replies?

The two main forms of mail signing are PGP and S/MIME.
The latter is certificate based; the former uses a public-key system.

-- 
-Chuck