As it stands, we allow most major graphic types and compressed filetypes, but the only unique document types we permit are the NWN filetypes and .docs.
Since Open Office is
freely available and employed by a number of people on the forums, I'd like to suggest adding .odt to the valid file extensions for attachments, rather than forcing people who use Open Office to either save their files as .docs (lossily) or zip/rar them.
