[cups] Printing to remote ipp everywhere printer from a Mac

[Johan Bengtsson]

On Thu, 28 Mar 2019, Johan Bengtsson wrote:
> Do you see something that is obviously wrong in what we are doing?
> Any ideas for troubleshooting?
>
> The Mac is running Mojave.

Additional info: when printing (from Safari & Adobe Reader) I get an 
authentication dialog, but it is possible to give an empty password and it 
prints anyway...

-Johan Bengtsson