On 22.04.2014 21:21, Connor Behan wrote: > [Including In-reply-to header so as not to break threading]
Thanks for trying, but thunderbird still has issues here. Either it's because there are 2 In-Reply-To headers or it's because the message id in the one you added isn't surrounded by <>. If adding the brackets doesn't help, try using mailman's archive and clicking the links there (email addr link at the top of each post), that should work just fine.
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