![OpenChange](https://i.altapps.net/icons/openchange-252d5.png)
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OpenChange旨在提供Microsoft Exchange Server和Exchange协议的可移植开源实现。Exchange是旨在与Microsoft Outlook一起使用的群件服务器,并提供诸如消息服务器,共享日历,联系人数据库,公用文件夹,便笺和任务等功能。OpenChange服务器不需要在Outlook中安装任何插件。
openchange
Web版OpenChange的替代品
![Zimbra Collaboration Suite](https://i.altapps.net/icons/zimbra-collaboration-suite-8438b.png)
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![Kopano](https://i.altapps.net/icons/kopano-13c16.png)
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Kopano
Kopano将电子邮件,视频会议,日历和文件共享解决方案放在一个界面中。
![Banckle Email](https://i.altapps.net/icons/banckle-email-server-4ed89.png)
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![Microsoft Office 365](https://i.altapps.net/icons/microsoft-office-365-b2670.png)
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Microsoft Office 365
Office 365是一种基于订阅的软件服务,可为Microsoft Office产品提供本地或基于云的使用许可。
![Microsoft Exchange Server](https://i.altapps.net/icons/microsoft-exchange-server-1471e.png)
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![IceWarp](https://i.altapps.net/icons/icewarp-c4e4f.png)
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![HyperOffice Email Service](https://i.altapps.net/icons/hyperoffice-email-service-82aa7.png)
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HyperOffice Email Service
HyperOffices是Microsoft Exchange的替代产品,具有所有消息功能,业务需求不断增长-自定义业务电子邮件;Outlook电子邮件;共享Outlook联系人,日历...
- 付费应用
- Web
![Mailsite](https://i.altapps.net/icons/mailsite-8c99d.png)
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![IzyMail](https://i.altapps.net/icons/izymail-070f2.png)
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