I still have my old documentation on this (eventhough we're using IIS4) at:
http://support.talstar.com/ssi
http://support.talstar.com/ssi/isiall.htm
You don't have to use .stm files to to use SSIs--I went in and made it so
..html files are read as SSIs.
Josh Hillman
hillman@talstar.com
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