The open-source Apache web server will not support the proposed anti-spam standard Sender ID from Microsoft Corp. The Apache Software Foundation in a letter to the Internet Engineering Task Force said Microsofts terms for the use of its patented technology within the standard were incompatible with the terms of open-source licensing used by Apache.
"We believe the current license is generally incompatible with open source, contrary to the practice of open Internet standards, and specifically incompatible with the Apache License 2.0," the foundation said. "Therefore, we will not implement or deploy Sender ID under the current license terms."
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