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Spam blocklist SORBS has been shut down, update Anti-Spam settings

The spam blocklist SORBS has been shut down. By default Zimbra uses SORBS via SpamAssasin, but also many Zimbra Administrators have set-up SORBS as part of Postfix MTA restrictions. Monitor the Zimbra MTA logging in /var/log/zimbra.log and make changes to your configuration to make sure email continues to be delivered properly. Postfix reject_rbl_client Check Zimbra’s […]

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Zimbra Daffodil (10.1) Coming Soon

A major update to Zimbra Daffodil with some important improvements is coming soon and the latest release unlocks the following new features New Features in Zimbra Daffodil (10.1) License Management Revamped Zimbra Licensing Other updates (MFA/2FA) Multi factor authentication:  Email as an additional factor in multi factor authentication Zimbra Desktop upgrade via Electron framework An […]

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Importing Outlook PST into Zimbra (how to import large TGZ files using Zimbra REST API)

In this article you will learn how to import emails and folders from Outlook PST files into Zimbra using the command line. This article is targeted to system administrators who are interested in automation of PST imports. Some knowledge of Bash and PowerShell scripting is recommended as you may want to change the scripts used […]

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Automatically deploy and update Zimbra Connector for Outlook using OPSI

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 […]

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Introducing vdirsyncer for migrating calendars and addressbooks

Vdirsyncer is a command-line tool for synchronizing calendars and addressbooks between servers such as Zimbra and Nextcloud or any server that supports open standards such as CalDAV/CardDAV. Aditionally Vdirsyncer support Google Calendar and Google Contacts. While vdirsyncer excels at migrating calendar and address book data, it’s worth noting that email data migration can be achieved […]

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