Did you know Google and Yahoo Mail will require email domain authentication in place to accept emails beginning in February 2024?
To prevent your emails from being rejected, consider adding domain authentication.For those of you who are interested in learning more, take a few moments to read this blog post! It will walk you through the basics of email domain authentication & hopefully help answer your questions about setup, risks, and deadlines! 
https://pantheon.io/blog/activate-email-domain-authentication-build-less-spammy-world