Configuration

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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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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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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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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 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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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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