Image & Text Guidelines

Recommendation to help you create highly impressive Email campaigns from scratch

Text Specifications

Minimum Font size: 12px (irrespective of the font being used)

Subject Line: Maximum 35 characters (including emojis) for optimal display on mobile

Sender Details: Maximum 25 characters (including emojis) for optimal display on mobile

Using Emojis: While most inboxes support emojis in the subject line and email body, these may not always render for Mail (iOS & Mac) & Windows Outlook users due their internal limitation.

Custom HTML Template

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Please Note

This only covers image recommendations for creating emails in Raw HTML Mode and is not applicable to messages created in the Rich Text Mode or the *Drag & Drop Editor.

While the layout of an email depends greatly on the message you’re conveying, here are a few broad guidelines we recommend that you follow while creating an HTML email template:

HTML Template Dimensions

Maximum width of template: 600px

Adding Content Area: A maximum width of 560 px is recommended with a margin of 20px on the left and right sides.

Generally, email templates are resized to 320px (approx) for mobile devices, though the actual width will vary as per screen size & OS.

Image/GIF & Video Specifications

Please ensure that the images/GIFs and videos included within the email are hosted on a publicly accessible server/cloud service to ensure minimal load time.

File Size

File Type

Less than 5MB

.jpg / .png / .gif

Banner Image/GIF or Video: Maximum width of 560px

Adding Image/GIF or Video within body (in two columns): Maximum width of 240px

Adding Image/GIF or video within the body (in one column): Maximum width of 440px

Things to keep in mind

  • The actual rendering of the email template depends significantly on the network connection, device, email service(inbox), and the user's Inbox settings.

  • Email HTML templates may not load correctly for users using native inboxes like Mail (Mac & iOS), Windows Outlook, and so on due their internal limitations. It has nothing to do with your custom HTML/CSS code or the customizable HTML templates available under the Drag & Drop Editor in your dashboard.

Please feel free to drop in a few lines at [email protected] in case you have any further queries or feedback. We're always just an email away!


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