I have issue with deleted mails – If I delete mail from Sent mailbox, this deleted mail is not moved in Bin or Archive mailbox. If I login into iCloud through Opera everything works fine and I can see deleted mail in ‘Deleted messages ‘ mailbox.
I made an experiment: I disconnected Mail app and icloud account : in settings – passwords and accounts – Accounts =iCloud – iCloud – Apps using iCloud=Mail tun off
and I added Gmail account, and guess what: everything works fine. If I delete mail feom Sent mailbox it is moved to trash.
Conclusion : Mail app work fine with Gmail account , but it doesn’t work with iCloud account in
iPad OS 13.2