Email client support

The structures and elements created by MailDeveloper work nicely in all major email clients and most non-major ones. In cases where pixel-perfection isn't possible, they degrade gracefully making all attempts at keeping your content accessible.

The following table shows support for MailDeveloper templates across various email clients.

Email client Supported Notes
Apple Mail Yes
Lotus Notes 6.5
Lotus Notes 7
Kinda Spacing is mostly ignored, but structure retained.
Lotus Notes 8
Lotus Notes 8.5
IBM Notes 9
Yes Email may not be centered.
Outlook Yes 2007, 2010, 2013, 2016 (Windows) don't support rounded corners (affects buttons).
Office 365
Thunderbird Yes
iOS Mail Yes
Android 4 Yes
Android Gmail Kinda Responsive layout not recognized.
Google Apps
Live Mail

If you notice any problems with email client support, please feel free to contact us at

MailDeveloper is an advanced editor for HTML email templates.
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