However, shortly after authenticating, the Mail app asks for authentication once again, and again, as the process does not stick and goes into an endless loop. “Enter the password for the account “(null)”: Google requires completing authentication in Safari.” This takes users to a Google web login form. See also: macOS Mojave Freezes or Stops Responding, Fix More specifically, some Gmail users have said that after installing the macOS 10.14.4, and launching the Mail app, some Gmail users are asked to authenticate their email addresses.
It seems that the Mail App is not working as expected for some Gmail users. Several people are experiencing issues with Gmail (especially G Suite) email accounts in Mail on Mac. Facebook Twitter Pinterest LinkedIn Print Email
