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 […]
Author Archive | Barry de Graaff
Zimbra Did You Know: Use Zimbra Briefcase on Mobile with OnlyOffice
By Barry de Graaff on November 2, 2021 in Product News, Did You Know, PowerTips – Users, Zimbra Web Client
Hi Zimbra Customer, Partners & Friends, Did you know that you can use the free OnlyOffice app available for Android and IOS to view and edit documents in the Zimbra briefcase? The OnlyOffice Documents App brings a full-blown Office suite to your mobile! The OnlyOffice App opens and stores documents on Zimbra Briefcase via WebDAV […]
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 […]
Zimbra SkillZ: How to use Zimbra with Let’s Encrypt Certificates (update)
Hello Zimbra Customers, Partners & Friends, Today’s blog post is all about using Let’s Encrypt certificates with Zimbra. Let’s Encrypt is a way to obtain trusted and free TLS certificates. To obtain certificates you can use a program called Certbot. You can find instructions for setting up certbot at https://certbot.eff.org/instructions. If you already use Let’s […]
Zimbra SkillZ: Salesforce Zimlet — Email2Case
Hi Zimbra Partners, Customers & Friends, Salesforce Email-to-Case automatically turns customer emails into cases, so your agents can quickly track and resolve issues. This Zimlet adds Email2Case to the Zimbra More menu. Configure and Deploy the Zimlet Here are the steps to configure and deploy the Zimlet … Get zimbra-zimlet-salesforce.zip and as Zimbra user: zmzimletctl […]