I’m using K9 since years now,
and it often shows old emails on top, marked as read and the timecode is always the same for all emails, but these emails arrived months ago, some of them last year.
Its always the emails from one email address, and only the old emails from this sender show up on top…
Hello, I already deleted the old emails because it was very annoying, some of them I didn’t even see in my thunderbird anymore, they were only available in my GMX email page
but I think this info could help:
I moved these emails on my PC via Thunderbird from my GMX account to the Gmail account, and later back