From owner-freebsd-questions@FreeBSD.ORG  Wed Feb 11 11:05:50 2004
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From: Charles Swiger <cswiger@mac.com>
Date: Wed, 11 Feb 2004 14:05:48 -0500
To: jr315 <jr315@yahoo.com>
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Subject: Re: inbound http authentication proxy
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On Feb 11, 2004, at 11:20 AM, jr315 wrote:
> building a FreeBSD email-gateway/proxy server. need to
> filter inbound mail and http/webmail requests for an
> exchange server. need to find good http authentication
> proxy for server running IIS. need proxy package that
> will authenticate inbound http sessions and forward
> them to the IIS/exchange server. Any good
> recommendations???

squid can be used as an authenticating web proxy.  sendmail, postfix, 
and a number of other MTAs can be used to relay email.

-- 
-Chuck