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 […]
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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 […]
Zimbra Patches: 9.0.0 Patch 18 + 8.8.15 Patch 25
Hello Zimbra Friends, Customers & Partners, Zimbra 9.0.0 “Kepler” Patch 18 and 8.8.15 “James Prescott Joule” Patch 25 are here. Security Recommendation Zimbra strongly recommends that you review whether the Proxy Servlet is configured to allow a particular host (via zimbraProxyAllowedDomains configuration setting on each class of service). Please make sure: Each entry in zimbraProxyAllowedDomains […]
Zimbra Patches: 9.0.0 Patch 17 + 8.8.15 Patch 24
Hello Zimbra Friends, Customers & Partners, Zimbra 9.0.0 “Kepler” Patch 17 and 8.8.15 “James Prescott Joule” Patch 24 are here. What’s New: Nginx Upgrade from 1.19.0 to 1.20.0 Zimbra 9.0.0 “Kepler” Patch 17 Patch 17 is here for the Zimbra 9.0.0 “Kepler” GA release, and it includes What’s New, Fixed Issues and Known Issues as […]
Zimbra SkillZ: Enhance email confidentiality using MTA-STS
By Barry de Graaff on July 21, 2021 in Product News, Community, Zimbra Server, Zimbra SkillZ, Zimbra Web Client
Hi Zimbra Customers, Partners & Friends, Do you want to prevent man-in-the-middle attacks and enhance your email confidentiality? You can with MTA-STS. MTA-STS is short for Mail Transfer Agent (MTA) Strict Transport Security (STS). MTA-STS enforces encryption and secure communications between SMTP servers via TLS (Transport Layer Security). With MTA-STS fully implemented, it prevents man-in-the-middle […]
Zimbra SkillZ: Using Sieve Filters on Zimbra
By Barry de Graaff on July 14, 2021 in Product News, Did You Know, PowerTips – Admins, Zimbra Web Client
Hi Zimbra Customers, Partners & Friends, Sieve is a powerful scripting language for filtering incoming email messages. This blog is a short how-to for using sieve filters on Zimbra webmail. Zimbra supports incoming email filters set by users, but administrators should set up and install sieve filters. First, allow adding email headers to help debug […]