The approach taken by Balsa seems the best to me. You have the choice between a combo of the three (subject, irt, ref) or individually.
That said, I cannot stand Balsa, which is in my experience rather buggy and cannot be scripted easily. I tried using it for a while in my xfce4 setup and went back to Mozilla Mail. On July 23, 2003 03:32 am, Adrian 'Dagurashibanipal' von Bidder wrote: > On Wednesday 23 July 2003 09:44, Antiphon wrote: > > Is it just me or does the message threading in KMail in need of > > improvement? It regularly breaks up threads--even ones with the same > > subject line. > > One thing is that kmail does not do threading by Subject (for which I am > grateful - half-broken threads with messages being attached to each other > in the wrong order is usually the result). The other thing is - and here > kmail definitely could use improvement - that kmail appears to ignore the > 'References:' header and uses only the 'In-Reply-To:' header. I haven't > analyzed it in depth, but I think it also gets confused by the I-R-T > headers which also contain the email address of the submitter of the > previous message in angle brackets (I think elm produces these). > > Then, of course, there's still loads of people with plain stupid mail > clients that don't generate I-R-T or References headers at all... (Notes, > some Microscrap software or other - Thread-Id, gah!) > > Cheers > -- vbi (who is thinking about at least writing a fix-those-headers python > script)