Zextras World

 

Zextras Mobile Sync | Blog

Mobile synchronization for mail and shared items is nowadays something very important. Almost everyone owns a smartphone and use it to check his mail, share attachments, calendars, contacts while moving....
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Mail Protocols | Blog

Let's take a brief overview of the main mail protocols that allow synchronization and configuration of messages on different platforms, both on PC and via mobile. POP3 vs IMAP vs...
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Enabling CBPolicyD (Cluebringer PolicyD) WebUI | Zimbra

PolicyD v2 (codenamed "cluebringer") is a multi-platform policy server for popular MTAs. This policy daemon is designed mostly for large-scale mail hosting environments. The main goal is to implement as...
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Zimbra CLI Commands: Zmprov | Zimbra

This article is part of a series of guides on how to use the Command-Line utility in Zimbra. We are going to see how to manage the most common administrative...
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Zextras Address Book Feature | Zimbra

The collaboration system of any firm heavily depends on its global address list (GAL) which is a shared address book containing information about employees’ job title, location, phone numbers, and...
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How to Change Password in Zimbra | Zimbra

If you ever need to change your password for security reasons, you can do that from the Zimbra Web Client as long as you are logged in and have access...
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How to Filter Email Messages in Zimbra | Zimbra

Email filters help you to better manage your emails. For example, you can find all emails you receive about a certain project in the relevant folder simply by creating a...
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How to Share Your Calendars in Zimbra | Zimbra

Sharing calendars can be a very effective tool to improve your work efficiency. This feature enables you to easily see when your teammates are free so that you can create...
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How to Add Address Books at Domain and Global Level with Zextras Mobile | Zimbra

Zextras Suite introduces a feature called Address Book which defines an emulated LDAP server that acts as a public address book, in order to access the Zimbra Global Address List (GAL),...
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Sizing Zimbra Infrastructures — Part 1 | Zimbra

When speaking to Customers and other SysAdmins, one of the “TopTen most frequent questions” is, “How to correctly size my Zimbra infrastructure?”. As you can imagine, the answer is not...
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Zimbra User Guide: How to set up your account | Zimbra

Zimbra Web Client is a complete messaging and collaboration application that offers reliable email, address books, calendar, task lists and web document creation capabilities. That sounds great ! But now...
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Zextras Suite Roadmap Updates | Blog

The new roadmap is out! We published Zextras Suite development steps here as many of you asked us for some updates. We'd like to discuss them with you in our Forum and evaluate your...
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The Zextras Community Project | Blog

The Zextras Community Project was born to share knowledge around Zimbra Open Source and, of course, Zextras Suite and to initiate new discussions with the community. As Zimbra Open Source users ourselves, we've experienced...
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FZM Teknoloji renews the partnership with Zextras to improve the support in the Turkish market | Blog

Izmir / Milano, March 2021 - Zextras and FZM Teknoloji renewed their partnership to better support Turkish customers from the choice of the product till the last-mile activities and professional...
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VirtualBox Networking

This article will show you how virtual networking works in Oracle VirtualBox. NOTE: it is assumed that you have already created a virtual machine with a running Linux operating system....
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Coherency Check

In this article you will find an in-depth analysis to better understand what the Coherency Check is and how it works. Zextras Backup takes care of your data, with costantly...
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Zextras Suite Video Server for your Zimbra

Video conferencing as a method of communication that uses the web to connect a group of people via a live video and audio feed, has a lot of advantages, naming...
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Zextras Suite 3.1.8 – Added features to ABQ | Blog

Allow/Block/Quarantine (ABQ) is one of the Zextras Mobile security features which allows the administrators to easily manage and keep track of which mobile devices connect to their server. Previously, Zextras...
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Zextras Suite ABQ Feature | Zimbra

Allow/Block/Quarantine (ABQ) is one of the Zextras Mobile security features which allows the administrators to easily manage and keep track of which mobile devices connect to their server. Previously, Zextras...
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Zextras Auth | Zimbra

Email security is one of the biggest concerns nowadays. Hacking users, infecting their computers with viruses and trojans, and sending millions of SPAM emails against the user’s will, all contribute...
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How To Setup SNI In Zimbra OSE?

In this article, you will learn about the SNI setup in Zimbra. It would be important for you to set up Zimbra SNI as you can serve your users not...
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What is SNI in Zimbra OSE? | Zimbra

In this article, you will learn about SNI and Zimbra SNI. It would be important for you to set up Zimbra SNI as you can serve your users not being...
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Zextras Team – A Top-notch Communication System for Zimbra | Zimbra

Zextras Team brings private chat, group messaging, corporate messaging, file sharing, screen sharing, and video conferencing all in a unified package. It complements the Zimbra collaboration suite open-source edition functions...
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Zextras Suite 3.1.8 | Blog

3.1.8 has been released. Here you are all the new and updated features, the beta ones included. Customers can upgrade the Suite from our website in an easy self-service mode. Powerful...
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Zextras Backup | Zimbra

What is the point of having a backup? There are many reasons why it is worth and important to have a backup, but especially an efficient backup system that really...
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How to Migrate Your Zimbra Servers Using Zextras Suite Backup | Zimbra

How to migrate Zimbra using Zextras Backup Learn how to migrate Zimbra: Zextras Migration Tool is no longer available, this guide will help you to perform a migration using Zextras...
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How to Install Zextras Theme for Zimbra | Zimbra

Zextras theme is a modern-looking theme for Zimbra compatible with Zimbra 8.6 and above including Zimbra 9. It does not change any classic UI element or functionality, so you don’t...
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What is Zimbra log4j? | Zimbra

log4j is a logging framework written in Java, it is also used by Zimbra as the log manager for java processes. In this article, we will take a look at...
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Zimbra Upgrade on Ubuntu LTS | Zimbra

This guide is divided into two parts Single server upgradeMulti-server upgrade Zimbra Postscreen is enabled by default on Zimbra 8.7 and above. The only thing you need to do is...
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Postscreen Attributes Explained | Zimbra

Zimbra Postscreen Zimbra Postscreen is an anti-bot/dos started in Zimbra 8.7. It tackles mail server overload by keeping spambots away and making more SMTP processes available for legitimate clients. Zimbra...
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How To Use Zimbra Postscreen? | Zimbra

In this article, you will learn about using and configuring Zimbra Postscreen. Zimbra Postscreen Zimbra Postscreen is an anti-bot/dos started in Zimbra 8.7. It tackles mail server overload by keeping...
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What Is Zimbra Postscreen? | Zimbra

In this article, you will learn about Zimbra Postscreen and how it works. Zimbra Postscreen Zimbra Postscreen is an anti-bot/dos started in Zimbra 8.7. It tackles mail server overload by...
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How to Verify Your rDNS Record | Zimbra

rDNS Record Verification Assuming you have already created your rDNS record, added it to your DNS, and want to check your rDNS configuration. The rDNS record is stored in DNS...
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How to Verify Your DMARC Record | Zimbra

DMARC Record Verification Assuming you have already created your DMARC rule, added it to your DNS, and want to check your SPF configuration. The DMARC record is stored in DNS...
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How to Verify Your SPF Record | Zimbra

SPF Record Verification Assuming you have already created your SPF rule, added it to your DNS, and want to check your SPF configuration. The SPF record is stored in DNS...
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How to Verify Your DKIM Signature | Zimbra

DKIM Signature Verification for Outgoing Emails Assuming you have already created your DKIM data, added them to your DNS, and want to verify your DKIM configuration for signing outgoing emails....
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How To Configure Zimbra rDNS? | Zimbra

The rDNS or reverse DNS resolves the domain name associated with an IP as opposed to DNS which resolves the IP associated with a domain name. This can be used...
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How To Configure Zimbra DMARC? | Zimbra

DMARC or Domain-based Message Authentication, Reporting, and Conformance is an email authentication, policy, and reporting protocol that defines how your email servers should manage your SPF and DKIM. DMARC protects your domain...
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How To Configure Zimbra SPF to Check Incoming Emails? | Zimbra

SPF or Sender Policy Framework is an email authentication method that identifies which mail servers are allowed to send emails on behalf of your domain. I can forge an email header to...
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How To Configure Zimbra SPF for Outgoing Emails? | Zimbra

SPF or Sender Policy Framework is an email authentication method that identifies which mail servers are allowed to send emails on behalf of your domain. I can forge an email header to...
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How To Configure Zimbra DKIM to Check Incoming Emails? | Zimbra

DKIM or DomainKeys Identified Mail is an email authentication method that tries to identify email spoofing attempts (creation of email messages with a forged sender address). DKIM enables you as the receiver of the email to verify...
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How To Configure Zimbra DKIM to Sign Outgoing Emails? | Zimbra

DKIM or DomainKeys Identified Mail is an email authentication method that tries to identify email spoofing attempts (creation of email messages with a forged sender address). DKIM enables you as the receiver of the email to verify...
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Email Protection Routines | Zimbra

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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Installing DNS Server on CentOS/RHEL using dnsmasq | Zimbra

This article will show you how to install and configure a DNS server using dnsmasq on CentOS 7 / RHEL 7 / CentOS 8 / RHEL 8. This will be...
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Setting up a Static IP Address on CentOS / RHEL | Zimbra

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 | Zimbra

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 | Zimbra

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 | Zimbra

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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Customizable login page | Zimbra

From now on, with Zextras, you can have a white-labeled login page for all the organization.Pick the background image you prefer, insert your logo... and you're done! Let’s now take a quick...
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Zimbra Upgrade on CentOS / RHEL | Zimbra

Zextras Community
In this little guide we will see how to upgrade (major.minor changes) and update (patches) Zimbra on CentOS / RHEL from an older version (previous to 8.8.15) to the latest...
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