Glossary
MJML
An open-source markup language that compiles into responsive HTML for email.
ValidReach Team · Updated 2026-10-26
In practice
You write short, semantic tags and the compiler produces the table-based HTML that email clients need. It saves hand-coding layouts, but you still need to test the output in the clients your readers use.
Verification and sending
Not related to verification; it is a way to build the message.