On Tue, 12 Apr 2016 15:40:29 +0930 Stephen <mailman@xxxxxxxxxx> wrote: > I'm sorry, but my mail client (mutt) certainly does show these as > being threaded under, and not top level replies. I don't know why it > would be showing up otherwise for you, because I've replied direct to > yours each time. Top posting refers to putting your reply above the quoted text. It's frowned upon on most mailing lists.