Ever wonder why your emails suddenly hit the spam folder instead of the inbox?...

https://technivorz.com/why-does-buying-a-domain-name-matter-for-email-identity/

Ever wonder why your emails suddenly hit the spam folder instead of the inbox? It usually comes down to your domain reputation. To stay in the clear, you need to keep your spam complaint rate below 0.1%—or one complaint per 1,000 emails