Server-side disclaimers are usually done through Exchange.
This is the wrong newsgroup for this question.
There are plenty of products on the market that do that, such as GFI's
product line.
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Leonid S. Knyshov, CEO
Crashproof Solutions, LLC - http://www.crashproofsolutions.com
MCP Exchange 2003/Small Business Server 2003
Microsoft Small Business Specialist Partner
See the tips and tricks section on my website for video tutorials on BCM