For security reasons, SaaAnt applications only allow emails that are verified by Intuit when the users logged via Quickbooks.
You may have received the following error while logging into our applications.
Intuit Authentication Site is failed to authenticate your request.
Follow the below steps to verify your email address and try to log in to our app.
1. Log in to https://accounts.intuit.com/
2. Select Sign In & Security Option.
3. Select Verify Email Link.
4. Select Send Verification Email
5. You will be receiving a verification email with an activation link from Intuit.
6. Click the verification link and verify your email and login into our applications again from Quickbooks.