For the sake of enhancing security your Google account may be using 2-factor authentication, also known as 2-step verification. When enabled, you must log in to Gmail with both your password and your phone. This prevents hackers who get your password from getting into your account, since they won’t get the security code sent to your phone. You can go to https://myaccount.google.com/security to verify your Google acount:
As a result, when you want to configure Identify to use your Gmail account to send emails out, e.g reset password emails, you need to configure what Google calls an app password:
Click the App passwords button and you’ll see a screen where you can set one up:
Choose “Mail” on the “Select app” drop down list and choose “Other (custom name)” on the “Select device” drop down list:
Enter a name (I use “Identify” but it can be any name you like) and click Generate button. Here is what you get:
Log on to the Identify*Admin, go to the System Setup page/Email server to create your Gmail email server:
Enter the generated password above to the password setting: