Supported Platforms

Discover the supported server and client environments

Standalone Environments

Linux

Red Hat Enterprise

Red Hat Enterprise Linux 9 new

64 bit

Red Hat Enterprise Linux 8

64 bit

CentOS

CentOS Stream 9 new

64 bit

CentOS Stream 8

64 bit

Oracle Linux

Oracle Linux 9 new

64 bit

Oracle Linux 8

64 bit

Alma & Rocky Linux

Rocky Linux 8 new

64 bit

Rocky Linux 9 new

64 bit

Alma Linux 8 new

64 bit

Alma Linux 9 new

64 bit

Ubuntu

Ubuntu Server 22.04 LTS new

64 bit

Ubuntu Server 20.04 LTS

64 bit

Debian

Debian 11 new

64 bit

Windows

Windows Server

Microsoft Windows Server 2022 new

64 bit

Microsoft Windows Server 2019

64 bit

Windows 11

Microsoft Windows 11 new

64 bit

Windows 10

Microsoft Windows 10

64 bit

Clustering Environments

Red Hat Clustering Suite

CentOS

CentOS Stream 9

64 bit

CentOS Stream 8

64 bit

Red Hat Enterprise

Red Hat Enterprise Linux 9

64 bit

Red Hat Enterprise Linux 8

64 bit

Windows Failover Cluster

Windows Server

Microsoft Windows Server 2022

64 bit

Microsoft Windows Server 2019

64 bit

Veritas Cluster Server

Red Hat Enterprise Linux

Red Hat Enterprise Linux 9

64 bit

Red Hat Enterprise Linux 8

64 bit

ActiveSync Clients

Mobile

Android

Gmail client, Calendar, and Contacts apps

Android 13

iOS / iPadOS

Mail, Calendar, Reminders, Notes, Contacts apps

iOS 16iPadOS 16

Mail, Calendar, Reminders, Notes, Contacts apps

iOS 15iPadOS 15

CalDAV Clients

Mobile and Desktop

Android

DAVx5 / OpenTasks

Android 13

iOS / iPadOS

Calendar app

iOS 16 iOS 15

Calendar app

iPadOS 16 iPadOS 15

macOS

Calendar app

macOS 13 Ventura macOS 12 Monterey

Thunderbird

Thunderbird 60 / Lightning 6.2.5

Windows

Calendar app, eM Client 9

Windows 11 Windows 10

CardDAV Clients

Mobile and Desktop

Android

DAVx5

Android 13

iOS / iPadOS

Contacts app

iOS 16 iOS 15

Contacts app

iPadOS 16 iPadOS 15

macOS

Contacts app

macOS 13 Ventura macOS 12 Monterey

Thunderbird

Thunderbird 60 (using the SOGO Connector)

Windows

Contacts app, eM Client 9

Windows 11 Windows 10

Notes Clients (IMAP Sync)

Mobile and Desktop

iOS / iPadOS

Notes app

iOS 16 iOS 15

Notes app

iPadOS 16 iPadOS 15

macOS

Notes app

macOS 13 Ventura macOS 12 Monterey

Supported Web Browsers

WebMail, Standard WebMail, WebAdmin

Chrome

Google Chrome 51+

Firefox

Mozilla Firefox 54+

Edge

Microsoft Edge 79+

Safari

macOS Safari 11+

Mobile WebMail

Android

Android 4.4+ default browser

Google Chrome 44+

iOS

iOS 7+ Safari

Google Chrome 44+