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An email is the finished message you send. It holds its subject and preheader, the message body, and a record of what it was built from. It is the third layer of email, built from a template that is built from components.

Start here

What an email is

What an email holds and how it differs from a template.

Creating an email

Write a branded, sendable email from a template and a brief.

Previewing and testing an email

Preview as a real person, then send yourself a test.

Editing an email's code

Change the MJML by hand or upload a file, check it, and save it as a new version.

Personalizing an email

The merge fields you can use, and what happens when a value is missing.

Send it and keep it running

Before an email can send

The account setup and content that must be in place to send.

Email not sending or rendering wrong?

Work through the common reasons an email is stopped or shows blank values.

Copy and variants

Send more than one version from one email.

Publishing and versions

How an email goes live and what gets locked in.

Email FAQ

Short answers to common questions.