Archive | PowerTips – Admins

Zimbra Tech Skillz: Rebranding and White-Labeling Your Zimbra Deployment

Did you know that your Zimbra Collaboration deployment can be rebranded and white-labeled? Rebranding means replacing the Zimbra logo and colors with your own company logo and colors. White-labeling takes things a step further and replaces instances of “Zimbra” with your company name. Many other email apps can’t be rebranded or white-labeled, so you are […]

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New Year’s Resolutions & Upgrades!

Hello Zimbra Partners, Customer and Friends, It’s the new year and time for new year’s resolutions and upgrades! Are you planning to upgrade your Zimbra environment in 2019? We recommend that you upgrade to take advantage of Zimbra’s latest security updates, newest features and cost savings enhancements like HSM. If you are planning an upgrade […]

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Two Thirds of Fortune 500 Companies Miss The Mark On Email Security … Do You?

This week, Axios reported … Fortune 500 companies are doing … a lousy job at email security. 330 out of the Fortune 500 companies do not have computers set up to prevent sending fraudulent emails in a firm’s name. If these resource-rich companies have not implemented simple steps to beef up their email security, chances are that […]

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Zimbra Admin Alert … Potential “memcrashd” attack

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 recommend blocking access on port 11211 from the Internet to Zimbra […]

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How to Install Zimbra Collaboration 8.8 on Ubuntu 16.04 LTS

Greetings, Everyone. In this blog post we will cover the installation of the latest Zimbra Collaboration 8.8 Network Edition release on Ubuntu 16.04 LTS, using dnsmasq as a DNS Server. These steps cover a single-server installation. If you are looking for multi-server installation steps, please visit our official guide. This blog post is a bit […]

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