<style> element

html

Estimated Support About

63.04% + 15.22% = 78.26%

Apple Mail

macOS 16.0
iOS 16.2

Gmail

Desktop Webmail 2023-01
?
iOS 2023-01
?
Android 2019-06
?
Mobile Webmail 2023-01

Outlook

Windows 2019
?
macOS 16.80
Outlook.com 2024-01
iOS 2023-01
Android 2019-06

Yahoo! Mail

Desktop Webmail 2023-01
iOS 2023-01
Android 2025-06

AOL

Desktop Webmail 2023-01
iOS 2023-01
Android 2020-01

Samsung Email

Android 6.0

Mozilla Thunderbird

macOS 102.7
Windows 102.7

ProtonMail

Desktop Webmail 2023-01
iOS 2023-01
?
Android 2020-03
?

Fastmail

Desktop Webmail 2021-07

HEY

Desktop Webmail 2020-06

Orange

Desktop Webmail 2023-02
iOS 2023-02
Android 2023-02

LaPoste.net

Desktop Webmail 2025-07
iOS 2025-07
Android 2023-02

SFR

Desktop Webmail 2025-07
iOS 2025-07
Android 2023-02

GMX

Desktop Webmail 2023-07
iOS 2022-11
Android 2022-11

1&1

Desktop Webmail 2022-11
Android 2022-11

Mail.ru

Desktop Webmail 2020-09

WEB.DE

Desktop Webmail 2025-04
iOS 2022-11
Android 2022-11

WP.pl

Desktop Webmail 2023-12

RainLoop

Desktop Webmail 2023-02