Several people are experiencing issues with Gmail (especially G Suite) email accounts in Mail on Mac. It seems that the Mail App is not working as expected for some Gmail users. 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. They get a notification saying:

1. Using Mac Mail With Gmail
2. Gmail For Mac Mail
3. Gmail Mac App
4. How To Make Gmail Default Mail On Mac
5. Gmail Default Mail App Mac Free

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“Enter the password for the account “(null)”: Google requires completing authentication in Safari.” This takes users to a Google web login form. 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.

Please note that we contacted Apple regarding this issue, and we were told that Apple is currently working on a fix.

It’s why some people don’t like Gmail and other web-based email since it is difficult to turn off web beacons, canaries, web bugs, whatever you want to call marketing tracking techniques. Fun fact: Gmail triggers embedded trackers when you load your inbox, even before you open the specific message.

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In the meantime, you can try the following fixes:

1– Changing your Gmail account’s security settings may fix this problem. Open Google’s My Account site (https://myaccount.google.com) and click Security (On the left navigation panel) and then scroll down and find the “Less secure app access” section and turn this on (note that Google recommends this OFF).

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2- Set up your email account using IMAP. Please note that this process will delete your messages and will no longer available on your Mac. But do not worry, your mails will not be removed from Google’s servers, you can still access your mails via gmail.com web site. Here is how:

• Open the Mail App
• Click Mail
• Click Preferences
• Click Accounts
• Select your Gmail account
• And click the (-) remove button
• Now we will re-add your Gmail account
• Before that, let us make sure that IMAP access is enable. If not, you can do that easily. To enable IMAP in Gmail, login into your Gmail web client (gmail.com) and then click Settings:
• Click the Forwarding and POP/IMAP tab
• Select Enable IMAP (IMAP access section)
• And scroll down and click Save.
• Now again in Mail App, choose Mail
• Click Add Account
• Select Google, then click Continue
• Enter your email and click Next
• Enter your password and click Next
• And follow the instructions

If this does not work, try the “Add Other Account” option and add smpt/imap info manually:

• Incoming server: imap.gmail.com
• Outgoing server: smtp.gmail.com

3- Open Safari and go to https://accounts.google.com/b/0/DisplayUnlockCaptcha and then enter your username and password, then enter the letters (captcha) then try again.

4-Please try the following:

1. Quit Mail App.
2. Open Keychain (Applications > Utilities or Spotlight Keychain)
3. Search: google.oa
4. Find the accounts that you are having trouble accessing, and delete Keychains
5. Now go to https://accounts.google.com
6. Sign in with your problematic account
7. Click Security (left menu)
8. Find the “Third-party apps with account access” section and click “manage third-party access”
9. Click macOS and to revoke its access
10. Then sign out (https://accounts.google.com)
11. On your Mac, go to System Preferences > Internet accounts and re-authenticate your account
12. And open your Mail and try again

5-Still having the problem? if so try this:

Using Mac Mail With Gmail

1. Download and install Charles (a proxy app): https://www.charlesproxy.com/latest-release/download.do
2. Authorize automatic proxy, when asked
3. In Charles go to the Help menu and then choose SSL Proxying > Install Charles Root Certificate
4. Keychain Access will open. Find the “Charles Proxy…” (you may type Charles to search).
5. Double click on it.
6. Expand the Trust section and set to “Always Trust”.
7. Close the window, enter your password when you are asked.
8. In Charles, choose SSL Proxying Settings (Proxy menu).
9. Add a new location with Host: people.googleapis.com
10. Go to the Tools menu and then choose Rewrite and click Add.
11. Add a new location with Host: people.googleapis.com.
12. Add a new action:

Type: Body

Where: Response

Replace Value: {“names”:[{“metadata”:{“primary”:true},”displayName”:”Your Name”}],”emailAddresses”:[{“value”:”your@email”}]}

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1. And now on your Mac, open System Settings and Internet Accounts and re-authorize your account.
2. Now test to see if it is working, if your issue is resolved now, feel free to remove the Charles app.

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Gmail For Mac Mail

Change your default web browser

1. Choose System Preferences from the Apple () menu.
2. Click General.
3. Choose your web browser from the 'Default web browser' pop-up menu.

Gmail Mac App

Change your default email app

How To Make Gmail Default Mail On Mac

1. Open Mail.
   
2. Choose Preferences from the Mail menu, then click General. Or, if you're prompted to set up an email account, add your account, then choose Preferences from the Mail menu.*
3. Choose your email app from the 'Default email reader' pop-up menu.

Gmail Default Mail App Mac Free

* You can also set your default email app in the preferences of your third-party email app.