Gmail Configuration with API
Gmail Configuration with API (Highly-recommend to use)
Go to app -> Settings -> Notification & Template ->Email Settings & Integrate -> Choose Account -> Gmail with API.

Click on Login with Google.

Choose account you want to configure to receive quote notification.

Click to Allow

Click to Save button to connect your mail account.

Go to app -> Settings -> Notification & Template ->Email Settings & Integrate -> Choose Account -> Gmail with API.

Click on Login with Google.

Choose account you want to configure to receive quote notification.

Click to Allow

Click to Save button to connect your mail account.

Here is the tutorial video:
Updated on: 21/07/2022
Thank you!