Eike Rathke wrote on Mon, Sep 05, 2011 at 16:35:32 +0200: > Hi, > > On Monday, 2011-09-05 15:33:13 +0300, Daniel Shahaf wrote: > > > Dennis, some of your recent replies (including the one I'm replying to) > > break threading (at least in Mutt), could you look into that please? > > That seems to be some general problem with MS Outlook Dennis uses that > omits References and In-Reply-To headers. Actually most of his mails > break threading, strangely enough some do not. I suspect this is somehow > due to Outlook's internal threading index "feature". Don't ask me about > details, I don't know that stuff, I just know it can cause problems. >
Thanks for the information. I wonder of the non-thread-breaking has to do with how the mails are sent; perhaps it's something about delayed sending (as opposed to reply-compose-send), but I haven't tried to confirm this guess. > > (The mails appear in the same thread, as a new reply to the first post > > of the thread.) > > That they appear pseudo-threaded at all as a reply to the first post is > the subject threading of Mutt if strict_threads=no, which is default, > influenced by reply_regexp if sort_re=yes, also default. I have all these at their defaults. Thanks for the tips/information, Daniel