Make sure you have your DMARC / SPF / DKIM records in place to meet sender requirements.
Send emails from your custom domain.
Email authentication using DMARC, SPF, and DKIM records.
Maintain a spam rate below 0.3%.
All emails must contain a one-click unsubscribe rate.
Tips for setting up your SPF Record
Tips for setting up your DKIM Record
Tips for setting up your DMARC Policy
Who will be affected by the new requirements?
What happens if I don’t meet Google and Yahoo’s requirements?
Will sending volume be a factor in these new requirements?
Where can I find more information about Google and Yahoo’s requirements?