Le quartidi 4 floréal, an CCXXIV, The Wanderer a écrit : > I'm not sure this would actually manifest the way you're describing it - > but I'm not positive it wouldn't, either, and I don't care to invest the > brainpower in working it out for certain right now. Actually, it is even worse than I suggested: mails can be CC to other people than the list. These people would see the message-id chosen by the MUA, but when someone on the list replies, the in-reply-to would be the message-id chosen by the list. > For threading, you're probably right. For message uniqueness for its > duplicate filtering, however, the Subject obviously isn't enough to go > on - and I strongly suspect that Message-ID is the key. I strongly suspect it is much more complicated than that. It always is with google. > Nope - or if so, it's either a new-these-last-few-years development, or > for some reason specific to just IMAP. I access my sole Gmail account > via POP3, and the "duplicate" messages don't come through there either - > or at least they didn't back in 2009, I don't often send mail through > that account (for this very reason). Do the POP access show you all mails, including sent, spam, etc.? I suspect by default it only shows you the so-called inbox.
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