Steve Meyers wrote: > Michael Best wrote: > >> What or how does some mail client produces this as the subject? > > > It only appears to happen when I reply to an email on a mailing list. > With normal email, person-to-person email, that never happens. I > don't really understand it. It looks like the references header is > being appended to the Subject, perhaps the headers are being reordered > poorly or something. > > I'm using Thunderbird 1.0, btw. > I'm using Thunderbird 1.0 also, and it's not happening when I respond to the mailing list. It could be that your headers are getting messed up by whatever is massaging your inbound email. Ben