With the Simple Theme customizer Zimlet you can change the Modern UI appearance in a fast and easy way. Simple Theme customizer Zimlet supports setting the primary and secondary color and the logo on Zimbra Modern UI. You can set these settings globally or per domain. Configuring and installing Create a file /tmp/zimbra-zimlet-simple-theme.xml with the […]
Archive | PowerTips – Admins
Zimbra SkillZ: How to use Zimbra with multiple HTTPS domains (Server Name Indication)
By Barry de Graaff on June 1, 2022 in Community, PowerTips – Admins, Security & Privacy, Zimbra Server, Zimbra SkillZ
This article is a short how-to on making your Zimbra reachable via multiple HTTPS domains. This will allow your users to reach Zimbra using different URL’s such as: https://mail.zimbra.com and https://mail.zimbra.org. Set-up initial TLS certificate Set-up Zimbra to work with the fist HTTPS domain. Install the certificate obtained from your Certificate Authority by using one […]
Zimbra SkillZ: Create Zimbra Delegated Administrators
By Barry de Graaff on November 24, 2021 in Product News, Community, PowerTips – Admins, Zimbra SkillZ
Hello Zimbra Customers, Partners & Friends, Sometimes it’s necessary to delegate administrative tasks in Zimbra. For example, letting your help desk staff do daily tasks like reset passwords, change account names, unlock accounts and create accounts can really improve your first line support. Zimbra lets you grant permissions that can be set on an account […]
Zimbra SkillZ: Add an External Email Warning in Zimbra
Hello Zimbra Customers, Partners & Friends, In today’s blog, I’ll show you how to add an external email warning message in Zimbra when receiving an email from an external domain. This is done using a Sieve filter, and it can be enabled per account, COS, domain and server. First, create /tmp/myfilters su – zimbra nano […]
Zimbra SkillZ: Using Zimbra with Strong TLS Configuration – Get an A+, No Weak Cyphers (updated August 2023)
By Barry de Graaff on October 20, 2021 in Product News, Community, PowerTips – Admins, Zimbra SkillZ
Transport Layer Security (TLS) encrypts data sent over the Internet to ensure that eavesdroppers and hackers are unable to see what you transmit which is particularly useful for private and sensitive information such as passwords, credit card numbers, and personal correspondence. (further reading: https://www.internetsociety.org/deploy360/tls/basics) In this article you will learn how to configure Zimbra to […]
Zimbra SkillZ: Enhance Performance Using SSDB on Zimbra
Hello Zimbra Customers, Partners & Friends, Zimbra traditionally stores Authentication Tokens, CSRF Tokens and log-on timestamps to LDAP. On Zimbra systems with a large number of active users, this increases the load on the LDAP server, which can cause LDAP responses to slow down. Zimbra supports storing short-lived data (aka ephemeral data) to a separate […]