Cleanbox vs ImprovMX - Email Forwarding vs Full Inbox Protection
ImprovMX is a lightweight email forwarding service for custom domains. Cleanbox adds spam filtering, contact management, Shield, and MX relay. Here is when each one makes sense.
What Is an MX Relay and Why Your Domain Needs One
An MX relay sits between the internet and your mail server, filtering every incoming email before it reaches your users. It stops spam, blocks viruses, and enforces authentication - without changing your email provider.
Email Relay vs Email Forwarding - What Is the Difference?
Email relay and email forwarding both move messages from one place to another, but they work at different levels. Learn the key differences in filtering, security, authentication, and when to use each.
How Email Relay Keeps You Online During Provider Outages
When your mail server goes down, email does not stop coming. Without a relay, those messages bounce permanently. With one, they queue and wait.
What Is Email Relay and How Does It Protect Your Business?
Email relay sits between the internet and your mail server, filtering threats before delivery. How it works, when you need it, and how it differs from aliases.
Why We Built Relay: The Problem with Traditional MX Gateways
Traditional email gateways treat every address the same. Relay was designed from scratch with per-address control, SRS forwarding, and crowd-sourced reputation.
What Is a Mail Relay and How Does It Work
A beginner-friendly explanation of mail relays - what they are, why they exist, how they fit into the SMTP chain, and the different types of relays used in modern email infrastructure. Understand the technology that sits between the internet and your mailbox.
