[Ranman5308]

Originally Posted by DNSB

Have you set up an application password for calibre on your new computer? I seem to remember on one occasion, trying to use the app password from the old computer triggered a certificate error.

I generated a Google app password for the new computer. I inputted the Google app password along with my "send from" gmail address in the Preeferences page of Calibre. Regrettably that did not work.

Thanks for your suggestion. I was cautiously hopeful that would work. Alas, it did not. Same "error" message as before.

Thanks for your help.

Ranman5308