What email clients are supported?

Emailing supports the following clients:

• Lotus/Notes 8/8.5/9
• Outlook 2007/10/11/13/16/365/.com (DPI versions included)
• Gmail/Gmail App/Inbox (Android/iOS/Windows)
• Apple Mail 9/10
• Android 5.1+ (Default Mail)
• iPhone 5+ (Default Mail)
• AOL mail
• Yahoo Mail
• Thunderbird 52