In Gmail Productivity Ultimate Course 2021, you will learn all the secrets of Gmail and save hours a week . How to turn yourself into email ninja with keyboard shortcuts and keyboard shortcuts . You’ll learn how to set a Gmail reply for you if you are on vacation . How you’ll use filters to automatically process a message. How to search in Advanced and find any email you’re looking for How to reply to mail faster with Canned Responses and how to create a text or image signature. I’ll take you through everything you need to know to start building Emails like an expert with Gmail. The course begins with the basics.Authentication failed. Unique API key is not valid for this user.