Less Secure Apps Gmail. Users who try to connect to an lsa for the first time will no longer be able to do so. Next to “allow less secure apps:
The good news is google did not block access completely. Navigate to the 'less secure apps' page. When i connect gmail to outlook, i can see that outlook auto discovery is working, so i choose google account and use the settings supplied by the google server.
To get around the problem, i had to set my entire google account to allow access to less secure apps. i eventually discovered that i could disallow access to less secure apps if i changed the security setting in thunderbird to use oauth2.
To enable less secure apps on gmail, log in to your gmail or g suite account. Toggle to turn this feature 'on'. In order for it to work, i must configure my gmail account to allow less secure apps. But as google said this action is not recommended, because there will be risks for you gmail account.
If that's not the reason gmail isn't working in your email client, you may need to unlock it. You may follow the steps below to change the settings.
Assuming your network settings are correct, then the cause might be your gmail. But as google said this action is not recommended, because there will be risks for you gmail account.