Google Workspace Email Authentication Issue

I'm experiencing an issue with our outgoing email being blocked, and I've been told that we need to authenticate. We're using Google Workspace for our email service, and I don't know if we are doing it correctly. Key Points: - I'm not sure if we are using a third-party email service provider. - We're using Google Workspace for our email service. - We have not made any changes to the email settings or configuration recently. I need someone who can help me: - Confirm if we are using a third-party email service provider. - Ensure that our email authentication is correctly set up. - Resolve the issue with our outgoing emails getting blocked. Ideal Experience and Skills: - Extensive experience with Google Workspace email setup. - Deep understanding of email authentication protocols. - Proven track record of troubleshooting and resolving email delivery issues. - Excellent communication skills and ability to explain technical concepts in a non-technical way.