Are SSI's Supported on PlusNat

[#1]

Hi All
Just need to know if SSI functions are supported on PlusNet and if so how to get them working
I have moved a compleate web site over and now SSI commands don't work

[#2]

Yes they are.
https://portal.plus.net/central/forums/viewtopic.php?t=53757 should help

[#3]

Are you sure your page with the SSI include in it has an .shtml or .shtm (not .html or .htm) file type ?