It is well known that you can enable 2FA in Zimbra Network Edition to enhance account security. All details on Zimbra 2FA can be found at https://wiki.zimbra.com/wiki/Zimbra_Two-factor_authentication Zimbra also enables by default the Trusted Devices feature. This allows users to enter their 2FA token only once for each device. Consider turning off the Trusted Devices […]
Tag Archives | administrators
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 […]
Admin Account authentication now honors zimbraAuthFallbackToLocal when using external/custom authentication
Zimbra supports various authentication sources for authenticating users. Examples include external LDAP, Active Directory and custom authentication plugins. Prior to Zimbra 10.0.8 the setting of zimbraAuthFallbackToLocal had no effect on administrative accounts. Meaning you could use the username and password from Zimbra LDAP for signing on to an admin account. Even if the admin account […]
Migrating Zimbra Sieve filter rules from one user to another user
In this article you will learn how to migrate filter rules from one user to another user. These are the steps to export and import filter rules from the command line, don’t forget to use the zimbra OS user: 1) Export exiting filter rules of a user and save into a file. zmprov -l ga […]
How to fix Samsung Phones not being able to send mail (ActiveSync)
In this article you will find a short how-to on how to fix the issue that some Samsung phones can receive mail, see calendars, but cannot send mail via Zimbra. Users will see messages go immediately to the outbox with a warning that the message was not sent. ActiveSync protocol version This issue affects only […]
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 […]