Compatibility

clients-desktop

Desktop clients

Air Mail 2.0

Apple Mail 4

Apple Mail 5

Apple Mail 6

Apple Mail 7

Apple Mail 8

Apple Mail 9

Entourage 2004

Entourage 2008

IBM Notes 9

Lotus Notes 8

Lotus Notes 8.5

Outlook (all versions)

Thunderbird 3.0+

Windows Live Mail

Windows Mail

clients-web

Web-based clients

AOL Mail

Atmail Open

CitroMail.hu

Comcast

Daum.net

FreeMail.hu

Google Inbox

Gmail

GMX

G Suite

Libero.it

Mailbox.hu

Nate.com

Naver.com

Roundcube Webmail

Outlook.com

Office 365

Web.de

Yahoo! Mail

Mail.ru

Yandex Mail

clients-mobile

Mobile clients

Android 2.3 - 4.2.x

Android 4.3+

Blackberry 5+

Daum.net app

Gmail app

Inbox app

iPhone 4 - 8S Plus

iPhone X

iPad (retina display too)

iPad Air

iPad Mini

iPad Pro

KindleFire 2.3

Nate app

Outlook App

Windows Phone 7.5

Windows Phone 8+