I have finally managed to track down and fix the “unable to post a comment from feed readers” issue with Community Server . Unlike most of the other fixes, this one isn’t so trivial (and I knew as such going in…that’s why it’s taken so long). Moving onwards…. Out of the box, CS has virtually no implementation for CommentRSS (which is strange as .Text supports it 100%…curious as to why Telligent didn’t include it with CS). I followed the same pattern that .Text uses by implementing a custom httpHandler...