Author Archive | Barry de Graaff

Zimbra not affected by NGINX CVE-2023-44487

Recently a number of partners have asked if Zimbra is affected by NGINX CVE-2023-44487. When we take a look at the NGINX blog post on CVE-2023-44487 it mentions the following: …it is essential that the following updates are made to NGINX configuration files, minimizing the server’s attack surface: keepalive_requests should be kept at the default […]

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How to change the background image of Zimbra’s Login page

In this article you will learn how to change the background image of Zimbra’s Login page, this way you can for example match your company colors. To change the background image following these steps: Begin by copying your desired image (image.png) to the designated directory path within the Zimbra installation. sudo cp your-image.png /opt/zimbra/jetty_base/webapps/zimbra/img/ To ensure […]

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Sell, automate and manage Zimbra email services with HostBill

HostBill is a comprehensive and versatile billing and automation software designed for businesses in the web hosting, domain registration, and online services industries. It provides a centralized platform to manage various aspects of these businesses, such as customer management, invoicing, provisioning, support ticketing, and more. HostBill aims to streamline operations and enhance customer experiences by […]

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Did you know? How to customize Zimbra favicon?

In this article you will learn how to customize the Zimbra favicon, for example with your company logo making it more recognizable for your users. Here is a screenshot of the default Zimbra favicon: To customize the favicon, replace the existing favicon.ico with custom one in the folder: /opt/zimbra/jetty/webapps/zimbra/img/logo Then for Modern UI replace the […]

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What are the benefits of using Zimbra OpenSSL in FIPS mode?

If you installed or upgraded to Zimbra version 9.0.0.P34, 8.8.15.P41, 10.0.2 or higher, Zimbra will use OpenSSL 3.0.x and FIPS compliance for OpenSSL will be enabled by default. To check if your Zimbra OpenSSL is using FIPS you can run the following command, that should fail with Error setting digest: /opt/zimbra/common/bin/openssl md5 /dev/null There are […]

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