OPSI, which stands for Open PC Server Integration, is an open-source software deployment and management solution designed primarily for Windows-based networks. It provides a comprehensive suite of tools for automating software deployment, patch management, inventory management, and system configuration across multiple computers in an organization’s network. OPSI is often used for rolling out Windows workstations […]
Archive | PowerTips – Admins
Disable login using email alias
Historically in Zimbra it has been possible to log in using the account email address, but also using an email alias. For security reasons it is recommended to disable the log in by use of an alias. Follow below steps to find out if alias login is enabled on your Zimbra deployment, and configure it […]
Custom SpamAssassin Rules in Zimbra
In this article you will learn how to add custom SpamAssassin Rules to Zimbra. This way you can filter email that may have fooled your spam filtering or mitigate vulnerabilities such as CVE-2024-21413 where file:// hyperlinks cause problems in MS Outlook. SpamAssasin localrules In this example we are going to filter email that contains the […]
Creating a Zimbra dynamic distribution list
Did you know that you can create dynamic distribution lists in Zimbra? The benefit of dynamic distribution lists is that they are based on LDAP queries. So whenever users are added/removed/changed on your Zimbra server, the distribution list is automatically kept up-to-date based on the contents of LDAP and your query. The creation of dynamic […]
Manage Global S3 Configurations using zms3config CLI
In a previous blog we introduced Zimbra’s new Storage Management, in this article we introduce you to zms3config a command line application that allows you to manage Zimbra’s S3 configuration. The zms3config is the CLI utility to manage the Global S3 buckets which can be shared across mailstore nodes. Bucket configurations can be created from any node […]
Using Sieve to send email notifications
You can set up Zimbra to send notifications to a different email address for emails that arrive in your Inbox or any folder via the Preferences panel: You can also create a filter to forward emails to a specified email address using the Filters panel: In this article you will learn how to use Sieve […]