Configuring Inbound Email Config
I would guess from the error "A0001 BAD Too many arguments provided" and this unrelated github issue that you may have a space in your password (or some other character that needs better handling).

That CiviCRM also triggers "A0001 BAD Too many arguments provided" error suggests CiviCRM doesn't handle spaces in passwords correctly for IMAP/POP3.

Here's some advice on debugging the inbound mail process in CiviCRM, which might be useful!