Email Client Support Scoreboard

This page ranks email clients based on their support among the 307 HTML and CSS features listed on Can I email.

(Because every test is done manually, some features might not have been tested on every email client.)

Apple Mail (macOS) : 287/307
Apple Mail (iOS) : 282/305
Samsung Email (Android) : 252/303
Mozilla Thunderbird (macOS) : 230/267
ProtonMail (Android) : 230/288
GMX (iOS) : 222/236
WEB.DE (iOS) : 220/234
ProtonMail (Desktop Webmail) : 217/295
ProtonMail (iOS) : 214/295
Mail.ru (Desktop Webmail) : 204/302
SFR (Desktop Webmail) : 196/260
Fastmail (Desktop Webmail) : 195/242
Outlook (iOS) : 190/305
1&1 (Desktop Webmail) : 185/232
Outlook (Android) : 180/306
1&1 (Android) : 177/232
Outlook (macOS) : 176/305
HEY (Desktop Webmail) : 176/243
LaPoste.net (Desktop Webmail) : 176/240
SFR (iOS) : 176/258
Outlook (Outlook.com) : 173/307
GMX (Android) : 173/235
WEB.DE (Android) : 171/232
SFR (Android) : 169/252
Gmail (Desktop Webmail) : 154/307
Yahoo! Mail (Desktop Webmail) : 139/307
AOL (Desktop Webmail) : 134/304
Yahoo! Mail (iOS) : 131/304
Yahoo! Mail (Android) : 128/305
AOL (iOS) : 128/292
AOL (Android) : 126/291
Orange (iOS) : 121/242
Gmail (Mobile Webmail) : 120/297
Orange (Android) : 117/234
Orange (Desktop Webmail) : 116/240
Gmail (Android) : 111/307
Gmail (iOS) : 111/306
GMX (Desktop Webmail) : 97/277
WEB.DE (Desktop Webmail) : 94/267
Outlook (Windows Mail) : 62/299
Outlook (Windows) : 59/306
Mozilla Thunderbird (Windows) : 31/34
Free.fr (Desktop Webmail) : 16/21
T-online.de (Desktop Webmail) : 15/24
WP.pl (Desktop Webmail) : 1/4
RainLoop (Desktop Webmail) : 0/1
LaPoste.net (iOS) : 0/1
LaPoste.net (Android) : 0/1