January 8, 2015
On my Mac computer I use Apple Mail, and on my Debian server Thunderbird. Thunderbird provides all spam filtering for the IMAP accounts, as the server is on 24/7 and we receive 1500+ spam per day.
Apple's most recent OS upgrade, Yosemite, has broken the IMAP flags and is confusing JunQuilla.
Prior to the upgrade to Yosemite, when Apple Mail (with Apple Mail Spam off) downloaded a message, it set no IMAP FLAGS on the ISP server.
The Yosemite version of Apple Mail now immediately sets three IMAP FLAGS when it downloads a message: NonJunk $NotJunk NotJunk
When these flags are seen by Thunderbird, JunQuilla reports a goodflag.png [Classification was determined by a flag on an IMAP message.] The JunQuilla Junk % column is blank for the message. Right clicking on a sample message, Junk Analysis Detail shows a Running % of 98%. Clicking the Is Junk button changes the JunQuilla flag to gooduser.png, and the Junk % column is still blank.
Looking at the IMAP FLAGS on the server, when the Thunderbird Is Junk button is pressed, the FLAGS change to: \Seen Junk $NotJunk NotJunk
I have filed a bug report with Apple (and heard nothing). I also submitted a problem ticket in Bugzilla: https://bugzilla.mozilla.org/show_bug.cgi?id=1110308
Thanks for considering a patch for this. I was so delighted to discover JunQuilla a few years ago; it has made life bearable WRT spam.
July 12, 2008
This issue is broader is not really with JunQuilla, it is a core issue. JunQuilla is simply reporting, actually correctly, that "someone flagged this message as good" - that someone here being Apple Mail.
I suggest any discussion be on the Mozilla bug and not here. I've already replied once there, I'll see if I can add anything. (Without JunQuilla, you would probably completely miss that the email was flagged as good)
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