Ignoring Deliverability And Reputation in Email Marketing
read guide doc,
https://docs.google.com/document/d/1pfc-sQFwsrTWYMCbgZdaH78AClrx06OU0g-YxXG4gms/edit?usp=sharing
Using a custom domain for email offers several significant security benefits:
Enhanced Data Privacy and Control:
With a custom domain, you have full control over your email infrastructure, allowing you to implement strong security measures and protocols to safeguard your data
