[HIJACKED!] What are the best OSS discussion group apps?

[Bernard Peek]

Derek Broughton wrote:
> Uh, it seems to me that it can't be "smart enough to start a new thread" if
> it includes In-Reply-To or References headers, as that is, by definition,
> part of the old thread.  I think what he really means is that GMail
> completely ignores threading, and just groups by subject.  Ugh.
>
>   

> I'm not sure about mailing lists, but Google Groups ignores threading for newsgroup posts and sometimes loses all of the history of a thread, posting a followup as if it was the start of a new thread. That causes a certain amount of annoyance to people that use real newsreaders.