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Zimbra 8.8.15 Patch 30: A Critical Update for All Zimbra Users



Zimbra 8.8.15 Patch 30 Download: What You Need to Know




If you are using Zimbra as your email and collaboration platform, you might want to know about the latest patch available for your version. In this article, we will tell you what Zimbra is, why you should use it, what is new in Zimbra 8.8.15 Patch 30, how to install it, and some frequently asked questions.


What is Zimbra and why use it?




Zimbra is a world-leading open source email platform that powers hundreds of millions of mailboxes in 140 countries. It offers secure email, text, video conferencing, calendar, contacts, tasks, docs, file sharing and cloud storage via webmail, desktop and mobile devices. It can be deployed in the cloud, on-premises or as a hybrid service.




zimbra 8.8.15 patch 30 download



Zimbra features and benefits




Some of the features and benefits of using Zimbra are:


  • It has a social network-like interface that allows users to like, comment, share and collaborate on content.



  • It has a powerful search engine that can search everything in your Zimbra account, including attachments, and filter results by various criteria.



  • It has a chat feature that lets you communicate with your contacts in real time.



  • It has a briefcase feature that lets you upload any file type and access it instantly in Zimbra or attach it to emails.



  • It has a task list feature that lets you create tasks with due dates, priorities and more.



  • It has an integrated antispam and antivirus protection that keeps your inbox safe from malicious emails.



  • It has an admin console that enables anywhere administration of end-user features, quotas, storage policies and more.



Zimbra versions and patches




Zimbra has two main versions: Zimbra Collaboration Open Source Edition and Zimbra Network Edition. The open source edition is free to use and modify, but does not include some features such as backup and restore, mobile sync, delegated admin and more. The network edition is a paid version that includes all the features of the open source edition plus additional features such as support, updates, security patches and more.


Zimbra releases software patches about every four weeks to address security vulnerabilities, software improvements, bug fixes and more. It is highly recommended that you install these patches to keep your Zimbra environment running smoothly and securely.


What is Zimbra 8.8.15 Patch 30 and why install it?




Zimbra 8.8.15 Patch 30 is the latest patch available for the Zimbra 8.8.15 "James Prescott Joule" GA release. It was released on January 24, 2022 and includes what's new, security fixes, fixed issues and known issues as listed in the release notes.


What's new in Zimbra 8.8.15 Patch 30




Some of the new features and enhancements in Zimbra 8.8.15 Patch 30 are:


  • It adds support for Ubuntu 20 LTS operating system.



  • It adds support for MariaDB Galera Cluster as an external database option for high availability and scalability.



  • It adds support for OpenJDK 11 as the default Java runtime environment.



  • It adds support for Zimbra Backup Plus, a new backup and restore solution that offers faster and more efficient backups, granular restores, cloud storage integration and more.



  • It adds support for Zimbra Connect, a new chat and video conferencing solution that integrates with Zimbra webmail and desktop clients.



  • It adds support for Zimbra Docs, a new online document editing and collaboration solution that integrates with Zimbra webmail and desktop clients.



Security fixes in Zimbra 8.8.15 Patch 30




Some of the security fixes in Zimbra 8.8.15 Patch 30 are:


  • It fixes a vulnerability that could allow an attacker to execute arbitrary commands on the Zimbra server via the zmcontrol command.



  • It fixes a vulnerability that could allow an attacker to bypass authentication and access the Zimbra admin console via a crafted URL.



  • It fixes a vulnerability that could allow an attacker to inject malicious code into the Zimbra webmail interface via a specially crafted email.



  • It fixes a vulnerability that could allow an attacker to perform a cross-site scripting (XSS) attack on the Zimbra webmail interface via a specially crafted email.



  • It fixes a vulnerability that could allow an attacker to perform a denial-of-service (DoS) attack on the Zimbra server via a specially crafted email.



Fixed issues in Zimbra 8.8.15 Patch 30




Some of the fixed issues in Zimbra 8.8.15 Patch 30 are:


  • It fixes an issue that caused the Zimbra server to crash when processing certain emails with attachments.



  • It fixes an issue that caused the Zimbra webmail interface to display incorrect dates for some emails.



  • It fixes an issue that caused the Zimbra webmail interface to show duplicate folders for some users.



  • It fixes an issue that caused the Zimbra webmail interface to fail to load some images in emails.



  • It fixes an issue that caused the Zimbra webmail interface to fail to display some emojis in emails.



How to install Zimbra 8.8.15 Patch 30?




If you want to install Zimbra 8.8.15 Patch 30, you need to follow some prerequisites and steps as described below.


How to install zimbra 8.8.15 patch 30 on ubuntu


Zimbra 8.8.15 patch 30 release notes and security fixes


Zimbra 8.8.15 patch 30 upgrade guide and best practices


Zimbra 9.0.0 patch 23 vs zimbra 8.8.15 patch 30 comparison


Zimbra 8.8.15 patch 30 log4j vulnerability and mitigation


Zimbra docs live collaboration with zimbra 8.8.15 patch 30


Zimbra 8.8.15 patch 30 download link and checksum


Zimbra 8.8.15 patch 30 installation error and troubleshooting


Zimbra 8.8.15 patch 30 new features and enhancements


Zimbra 8.8.15 patch 30 supported platforms and system requirements


Zimbra 8.8.15 patch 30 backup and restore procedure


Zimbra 8.8.15 patch 30 performance and stability improvements


Zimbra 8.8.15 patch 30 known issues and limitations


Zimbra 8.8.15 patch 30 review and feedback


Zimbra 8.8.15 patch 30 webinar and demo


Zimbra 8.8.15 patch 30 license and pricing


Zimbra 8.8.15 patch 30 compatibility with zextras suite


Zimbra 8.8.15 patch 30 migration from other email servers


Zimbra 8.8.15 patch 30 configuration and customization options


Zimbra 8.8.15 patch 30 integration with third-party applications


Zimbra patches history and roadmap for zimbra 8.8.x series


Zimbra network edition vs open source edition with zimbra 8.8.15 patch 30


Zimbra modern UI vs classic UI with zimbra 8.8.15 patch 30


Zimbra high availability and disaster recovery with zimbra 8.8.15 patch 30


Zimbra multi-server installation with zimbra 8.8.15 patch 30


Zimbra mail server security best practices with zimbra 8.8.15 patch 30


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Zimbra mail server troubleshooting tips and tricks with zimbra 8.8.15 patch 30


Zimbra mail server optimization and tuning with zimbra 8.8.15 patch 30


Zimbra mail server administration commands and tools with zimbra 8.8.15 patch


Zimbra mail server spam filtering and antivirus with zimbra 8.8.15 patch


Zibra mail server backup and restore procedure


Prerequisites for installing Zimbra 8.8.15 Patch 30




Before installing Zimbra 8.8.15 Patch 30, you need to make sure that:


  • You have a valid license for Zimbra Network Edition if you are using it.



  • You have backed up your Zimbra data and configuration files.



  • You have stopped all Zimbra services on your server.



  • You have downloaded the patch file from the official Zimbra website.



Steps for installing Zimbra 8.8.15 Patch 30




The steps for installing Zimbra 8.8.15 Patch 30 are:


  • Extract the patch file to a temporary directory on your server.



  • Navigate to the extracted directory and run the install.sh script as root or sudo user.



  • Follow the instructions on the screen and confirm the installation.



  • Restart all Zimbra services on your server.



  • Verify that the patch has been installed successfully by checking the version number in the admin console or by running zmcontrol -v command.



Conclusion




Zimbra is a powerful email and collaboration platform that offers many features and benefits for users and administrators. It also releases regular patches to improve its performance, security and functionality. In this article, we have explained what is Zimbra 8.8.15 Patch 30, why you should install it, and how to install it. We hope you have found this article helpful and informative.


FAQs




Here are some frequently asked questions about Zimbra 8.8.15 Patch 30:


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