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Email Protection Routines

After installing Zimbra Collaboration Suite, there are some configurations you may want to set up in order to improve the security of sending emails to other email systems. Phishing and...
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DNS Server Installation Guide on CentOS 7 / RHEL 7 and CentOS 8 / RHEL 8 using dnsmasq

This article will show you how to install and configure a DNS server using dnsmasq on CentOS / RHEL. This will be a step by step walkthrough, very useful in...
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Setting up a Static IP Address on CentOS / RHEL

This guide will show you different ways to set up a static IP address on your CentOS/RHEL Linux server. Before you start First of all we need to get the...
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SELinux

Security-Enhanced Linux (SELinux) is a mandatory access control (MAC) security mechanism implemented in the kernel. SELinux was first introduced in CentOS 4 and significantly enhanced in later CentOS releases. In...
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Zextras Drive

Zextras Drive is a Zimbra component that provides both a complete file storage system integrated with the Zimbra WebClient and a replacement to the old "Briefcase" component. Zextras Drive is...
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QR Authentication for mobile apps

QR Code authentication for mobile apps ( such as Team App and Drive App ) is part of Zextras Auth and can speed up and manage login to those application.  The first...
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Fresh content every now and then about Zimbra OSE, tips & tricks, Zextras products and more!