Microsoft Internet Security and Acceleration Server 2000

SMTPFLTR Test Environment

The purpose of the SMTPFLTR filter is to screen incoming Simple Mail Transfer Protocol (SMTP) messages. The filter looks for a specified string in the data section of an e-mail message. If the string is found, the filter signals an ISA event. In addition, it adds a text string to the beginning of the Subject: line in the e-mail message.

Both strings are read from the FPCVendorParametersSet object, making them configurable by the ISA administrator.

This document shows how to test the filter in two real-life scenarios:

More information on the SMTP protocol definitions can be found in RFC 821 and RFC 1830.

Note  The procedures presented here refer to the use of a Microsoft mail server. If you are using a different mail server, refer to its accompanying documentation for configuration information.

Shell commands provided in this example are for demonstration purposes and can vary from system to system.