Archive | PowerTips – Admins

Zimbra Admin Reminder … Block “memcrashd” Port 11211

Hello Zimbra Friends & Admins, This is a friendly reminder that Zimbra memcached may face the “memcrashd” attack on port 11211. By default, memcached listens on a server IP address that is accessible on the network and via the internet if there is no firewall. If your Zimbra memcache servers are behind a firewall, we […]

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Zimbra SkillZ: Extending Zimbra 9’s Frontend UI with Zimlets (3 of 3)

A unique feature of Zimbra is its extensibility. You can customize functionality for both the frontend UI and the backend with Zimlets. The Zimbra frontend can be extended with JavaScript Zimlets and the backend can be extended with Java extension Zimlets. This is the last post of a 3-part series to highlight the Zimbra Development […]

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Zimbra SkillZ: Extending Zimbra 9’s Backend Functionality with Zimlets (2 of 3)

A unique feature of Zimbra is its extensibility. You can customize functionality for both the frontend UI and the backend with Zimlets. The Zimbra frontend can be extended with JavaScript Zimlets and the backend can be extended with Java extension Zimlets. This post is part of a 3-part series to highlight the Zimbra Development Guides […]

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Zimbra SkillZ: Zimbra 9’s New Zimlet Framework (1 of 3)

Zimbra 9 introduced the new Zimlet Framework. This 3-part series from Barry de Graaff, Channel Evangelist at Synacor, will get you started developing your own Zimlets. What is a Zimlet? Zimlets are used to: Integrate Zimbra Collaboration with third-party information systems and content. Extend the functionality of the Zimbra user interface (UI). For example, you […]

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Zimbra Tech Skillz: Recurring Events in Zimbra

Hello Zimbra Friends, This blog is brought to you by David Bingham, Technical Product Manager at Synacor, and describes how Zimbra stores and communicates calendar events over its various APIs. This is technical information, suited for developers of software intended to interop with Zimbra … but it is also for anyone curious about Zimbra Tech […]

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2/3 – Zimbra Open Core Series – Rate Limiting Email with PolicyD

Hello Zimbra Friends,   This blog is educational only. It is a customization to your Zimbra environment and is not supported by Zimbra Support. Please run thoroughly in your test environment before using it in production.   We are happy to bring you part 2 of a 3-part series on Zimbra’s open-source components, a series […]

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