Bootstrap Email works hard to support as many possible email clients as possible, that way all users get as close to the same experience as possible. Certain exceptions to this are minor visual things like border radius which will just fall back to square corners on clients that don’t support them.

• Apple Mail macOS
• Apple Mail iOS
• Outlook 2000 - 2003 (IE Render)
• Outlook 2007 - 2013 (MS Word Render)
• Outlook 2016
• Outlook.com (the new Hotmail)
• Windows 10 Mail
• Yahoo!
• AOL Mail
• Android Mail
• Gmail
• Gmail App
• Inbox by Gmail
• Modern Email Clients
• Any many more...

I’m Experiencing an Email Client Issue