Contributed by Yasuko Komiyama, Zimbra Senior Sales Engineer Co-edited by: Karyn Tan, Senior Manager in Marketing Imagine a world where every piece of your business’s sensitive data was as public as a viral social media video. A world where hackers could easily access and exploit information meant to be confidential. That is the reality without […]
Archive | Did You Know
Enhance password security by rejecting common and leaked passwords
In this article you will learn: How to prevent users from choosing common passwords How to add leaked passwords to the list of passwords to reject Enabled the Reject Common Passwords feature You can enable the Zimbra Reject Common Passwords on a per account basis or for an entire Class Of Service (CoS). To enable […]
How to disable Zimbra two factor trusted devices
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 […]
Upgrade & Migration Guides for upgrading to Zimbra 10
We have released the Upgrade & Migration Guides for upgrading Zimbra 8.8.15 and 9 to Zimbra version 10. For Non-NG setup you can use the following guides: In-Place Upgrade Guide (Single and Multi-Node setup)Rolling-Upgrade Guide (Multi-Node setup)For NG setup 9.0.0, 8.8.15 for both Network Edition and FOSS you can use the following guides: In-Place Upgrade […]
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 […]
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 […]