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

Mon Jan 14 18:48:22 UTC 2008

Derek Broughton wrote:
> Bart Silverstrim wrote:
> 
>> Liam Proven wrote:
>>> On 14/01/2008, Bart Silverstrim <bsilver at chrononomicon.com> wrote:
>>> I understand it just fine, thanks.
>> So you knew about list-id in the headers
> 
> list-id has nothing to do with threading.  It's commonly used for
> _filtering_.

Did I quote the wrong header?  Which one is used to ID the thread?