When I launched The Deady Group, I expected email setup to be simple. Buy the domain. Connect the inbox. Start communicating. The reality was different. It took months to stabilize something I assumed would work by default. After running twenty mailboxes across multiple domains and rebuilding my DNS from the ground up, I learned a lesson most teams discover the hard way. Deliverability has little to do with the tool you use to send a message. It has everything to do with whet