i moved my question to the "How do I..." group.
Yes, thunderbird does not sort them either, but when messages go into either Junk, or Spam folders (that should not go in there) I just right-click, and select "Mark as not Junk. No rules are created either in my client, or online on my accounts, and the servers honour that command for messages coming from that address in the future. I went online and no rules were created. In Thunderbird, this works for all my accounts
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