There is a relevant thread at https://support.google.com/mail/thread/11736136?hl=en
Some have reported success by changing authentication to plain, i.e. Settings -> Kmail Settings -> Receiving -> (Select your Gmail account) -> Modify -> Advanced -> Connection Settings -> Authentication -> Change to PLAIN and also changing server from imap.gmail.com to imap.googlemail.com. On Wed, Nov 6, 2019 at 11:30 AM Peter Humphrey <pe...@prh.myzen.co.uk> wrote: > Hello list, > > A recent message prompted me to try creating a google mail account again, > to > collect my gmail.com email, but it still says "This app is not yet > authorised..." (I think that's the wording). > > Is there anything a mere user can do to expedite closing this hole? It's > been > open for some months now. > > -- > Regards, > Peter. > > > > >