Microsoft Security Advisory (842851)
Clarification Of The SMTP Tar Pit Feature That Is Provided For Exchange Server 2003 in Windows Server 2003 Service Pack 1
Microsoft is releasing this security advisory to inform customers about the tar pit feature included in Windows Server 2003 Service Pack 1. This feature was previously available from Microsoft Product Support Services (PSS) as an update.
Microsoft does not require or recommend that all customers implement this feature. It has been provided as an option for reducing the effectiveness of certain attacks that utilize standard features of the simple mail transfer protocol (SMTP). By default, the tar pit feature is disabled. The tar pit feature is one option available to help combat threats when using the SMTP protocol.
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- Customers in the U.S. and Canada can receive technical support from Microsoft Product Support Services. For more information about available support options, see the Microsoft Help and Support Web site.
- International customers can receive support from their local Microsoft subsidiaries. For more information about how to contact Microsoft for international support issues, visit the International Support Web site.
- The Microsoft TechNet Security Web site provides additional information about security in Microsoft products.
The information provided in this advisory is provided "as is" without warranty of any kind. Microsoft disclaims all warranties, either express or implied, including the warranties of merchantability and fitness for a particular purpose. In no event shall Microsoft Corporation or its suppliers be liable for any damages whatsoever including direct, indirect, incidental, consequential, loss of business profits or special damages, even if Microsoft Corporation or its suppliers have been advised of the possibility of such damages. Some states do not allow the exclusion or limitation of liability for consequential or incidental damages so the foregoing limitation may not apply.
- May 10, 2005: Advisory published