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Estimated Support About

19.35% supported

Apple Mail

macOS

16
17
18
19
20
21

iOS

11
12
13
14
15

Gmail

Desktop Webmail

2022-07

iOS

2022-07

Android

2022-08

Mobile Webmail

2022-07

Outlook

Windows

2007
2010
2013
2016
2019
2021

Windows Mail

2022-07

macOS

2022-07

Outlook.com

2022-07

iOS

2022-07

Android

2022-07

Yahoo! Mail

Desktop Webmail

2022-07

iOS

2022-07

Android

2022-07

AOL

Desktop Webmail

2022-07

iOS

2022-07

Android

2022-07

Samsung Email

Android

2022-07

Mozilla Thunderbird

macOS

2023-06

Windows

2023-06

ProtonMail

Desktop Webmail

2022-07

iOS

2022-07

Android

2022-07

Fastmail

Desktop Webmail

2022-07

HEY

Desktop Webmail

2022-07

Orange

Desktop Webmail

2022-07

iOS

2022-07

Android

2022-07

LaPoste.net

Desktop Webmail

2023-06

SFR

Desktop Webmail

2022-07

iOS

2022-07

Android

2022-07

GMX

Desktop Webmail

2023-06

iOS

2023-06

Android

2023-06

1&1

Desktop Webmail

2023-06

Android

2023-06

Mail.ru

Desktop Webmail

2022-07

WEB.DE

Desktop Webmail

2023-06

iOS

2023-06

Android

2023-06