Ever wonder why your emails suddenly hit the spam folder? It usually comes down...

https://www.scribd.com/document/1015795200/What-is-Microsoft-SNDS-and-What-Does-It-Tell-Me-178837

Ever wonder why your emails suddenly hit the spam folder? It usually comes down to your domain reputation. If your spam complaint rate climbs above 0.1%, mailbox providers start burying your messages