Manage your Gmail account using two-factor authentication and your API password.
Login into Gmail account and select “Manage your Account”. Select “Security”.
Turn on 2-Step Verification. You will be prompted to enter your accounts password several times.
Now that 2-factor authentication is ON. The HALO will need an App password.
Select App password. You will be prompt your email password to make this change.
Select App mail.
Select Custom Name HALO.
Copy this key for your Halos SMTP email Password. Insert key into SMTP Password and Save then test it.
Confirm email Status displays as OK.