


So you should check if IMAP access has been enabled for Gmail. IMAP or Internet Messaged Access Protocols lets you download mail to your computer from servers and access them on email clients like the Mail app on your Mac. Step 4: Relaunch the Mail app and try logging in again. Step 3: Select Mail from the list of options and click on Force Quit on the bottom-right side.

Step 1: Click the Apple logo in the top-left corner of the Menu bar. This should help solve the issue and make you log in to your Gmail account. The next basic solution is to force quit and restart the Mail app to give it a fresh start on your Mac. Also, check the password you are entering is correct. If you have multiple email accounts in the Mail app, sometimes you might use the wrong Gmail account. If this doesn’t help, refer to the next solutions. Try logging in again to your Gmail account. If you have a dual-band Wi-Fi router, we suggest switching to a 5GHz frequency band and sitting closer to the router. Starting with some basic solutions, we suggest running a speed test on your Mac to check the strength of your internet connection. If you are also facing the same, we bring some working solutions to fix the Gmail login failure in the Mail app on Mac. Some users fail to authenticate their Gmail account in the Mail app on Mac.
