- Apple Mail (OS X 10.9 Mavericks)
- Apple Mail 8 (OS X 10.10 Yosemite)
- Outlook
- Outlook 2000 (Windows 7)
- Outlook 2002 (Windows 7)
- Outlook 2003 (Windows 7)
- Outlook 2007 (Windows 7)
- Outlook 2010 (Windows 7)
- Outlook 2011 (OS X 10.10)
- Outlook 2013 (Windows 7)
- Outlook 2016 (OS X 10.10)
- Android
- Android 2.3
- Android 4.2
- iOS
- iPad Retina (iOS 8)
- iPad Mini (iOS 8)
- iPhone 5s (iOS 7)
- iPhone 5s (iOS 8)
- iPhone 6 (iOS 8)
- iPhone 6 Plus (iOS 8)
- AOL Mail
- Chrome
- Internet Explorer
- Firefox
- Gmail
- Chrome
- Internet Explorer
- Firefox
- Google Apps
- Chrome
- Internet Explorer
- Firefox
- Outlook.com
- Chrome
- Internet Explorer
- Firefox
- Yahoo! Mail
- Chrome
- Internet Explorer
- Firefox
- Android 4.3/4.4/5.0
- Email App (except 5.0)
- Gmail App
Screenshots can be delivered.
The following Email clients can be more time-intensive to test and debug. Due to very low market share, these clients are excluded from standard testing.
Testing and debugging are offered for these clients, but:
- incur higher costs due to longer timelines.
- no guarantees for near-perfect design.
- Blackberry OS 10.3 - Blackberry Z10
Note: No support is offered for Blackberry OS 4 (which renders plain text) and Blackberry OS 5
- Windows Phone 8 - via Litmus.com
- Windows Phone 8.1 - Nokia Lumia 630