Custom HTML messages

Customizing emails using HTML code

Zoltan Wagner avatar
Written by Zoltan Wagner
Updated over a week ago

The drag and drop email editor

The visual, drag and drop content editor is designed to accommodate complex email layouts that look good in popular email clients, including mobile apps. This default editor is used by the majority of our customers.

Emails created and updated in the built-in editor are supported by Envoke.


Administrators and technical users have access to edit the HTML code of emails directly. Read about user roles.


The HTML editing option is available from the Configure tab of the message editor. This editor lets you customize the entire HTML and CSS code of emails.

Another HTML editor is available to customize specific content blocks at a time.

No support for custom HTML messages

⚠️ We do not provide support for messages where HTML is modified and can't guarantee that the message will remain editable in the visual editor.

You should only make modifications of HTML code if you have the resources to support and troubleshoot display and functional issues internally.

Functionality restrictions for custom HTML messages

The following may not be available if you're using a "Custom HTML" template or customize HTML of messages so they are no longer compatible with the drag and drop editor:

  • Drag and drop editor

  • Emails aren't responsive by default

  • Dynamic content blocks

  • AB testing

  • Locked templates zones

  • Custom pre-header text

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