Zimbra is an open platform solution that lets you manage and control your data the way you want it, while keeping it secure and private. With a modern user interface, Zimbra is easy to use and accessible anytime, anywhere.

Homepage: https://www.zimbra.com/

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• missing emails - because of duplicate message ids
• dns lookup problem - dns caching (change /etc/resolv.conf)
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• iOS mail config - how to add a Zimbra account to your apple device
• Insert own certificate in zimbra
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