Introduction Zimbra Collaboration Suite (ZCS) is a popular open-source email and collaboration platform trusted by organizations worldwide. Its powerful features, such as email hosting, calendaring, and task management, make it ideal for businesses of all sizes. In this guide, we will explore how to install Zimbra 8.8 on CentOS 6, leveraging its robust capabilities to set up a reliable email server. Link to below you maybe likes: How to install and configure zimbra multi server zimbra some services are not running [Solve problem] How to Restrict Sending to Distribution list in zimbra mail Zimbra 8.6 restrict to user sending mail to certain domain To prepare for zimbra 8.8 Before you start, ensure that your system meets the following prerequisites: Operating System : CentOS 6 (64-bit). System Requirements : Minimum 4GB of RAM. At least 10GB of free disk space. Network : Fully qualified domain name (FQDN). Static IP address. Packages : wget, Perl, and other essential tools insta...