[Mailman-Developers] How to check whether the message is new thread!

[Ralf Hildebrandt]

* VuNghia Truong <truongvunghia at gmail.com>:
> Hi guys,
> Could any one please give me advices about how to check if a message is a
> new thread or just a reply to a thread?

If a "References:" header is there, it's referencing an older message,
thus it's a reply to a thread

-- 
Ralf Hildebrandt                   Charite Universitätsmedizin Berlin
ralf.hildebrandt at charite.de        Campus Benjamin Franklin
http://www.charite.de              Hindenburgdamm 30, 12203 Berlin
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