On 26/03/2008, Paul Johnson <baloo@xxxxxxxxx> wrote: > On the mailing list, threading is not determined by the Subject header, but by > the References header. [...] > My experience using gmail for domains before is that gmail threads based on > References and ignores Subject just like it's supposed to; the broken threads > appear are a case of Garbage In, Garbage Out in this case. On the mailing list, perhaps threading *should* be determined by the Subject: header; in practice, this is clearly not the case, to the point where those expecting it to be berate those using other mail clients to switch to KMail. - d.