Welcome to the Zimbra Tech Center
Welcome and thank you for visiting the Zimbra Tech Center, where you can not only find a wealth of information, but you can also contribute to the continued growth of expert content. Use this Tech Center to find Certified Wiki/KB articles, Community KB articles, and Community spaces where you can provide your own experiences and knowledge.
Recent updated articles
- Zimbra Releases/10.1.21 (Yogesh.dasi, 14:24, 13 October 2026)
- Zimbra Releases/10.1.21 (Uttam.takalkar, 11:09, 24 September 2026)
- Zimbra Releases/10.1.21 (Yogesh.dasi, 09:59, 24 September 2026)
- Zimbra Releases/10.1.21 (Yogesh.dasi, 09:58, 24 September 2026)
- Zimbra Foss CVE Commits (Adrian.Gibanel, 09:30, 24 September 2026)
- Zimbra Foss Source Code Only Releases (Adrian.Gibanel, 09:13, 24 September 2026)
- Zimbra Releases/10.1.21 (Yogesh.dasi, 08:47, 24 September 2026)
- Zimbra Releases/10.1.21 (Yogesh.dasi, 08:47, 24 September 2026)
- Zimbra Releases (Yogesh.dasi, 08:43, 24 September 2026)
- Zimbra Releases/10.1.21 (Yogesh.dasi, 08:42, 24 September 2026)
- ZimbraFossBuildersList (Aasha.nair, 10:43, 4 September 2026)
- Zimbra Foss Source Code Only Releases (Aasha.nair, 10:43, 4 September 2026)
- Zimbra Foss CVE Commits (Aasha.nair, 10:43, 4 September 2026)
- Zimbra Foss CVE Commits (Aasha.nair, 10:41, 4 September 2026)
- Zimbra Foss CVE Commits (Aasha.nair, 10:41, 4 September 2026)
- Zimbra Foss CVE Commits (Aasha.nair, 10:40, 4 September 2026)
- Zimbra Foss CVE Commits (Aasha.nair, 10:39, 4 September 2026)
- Zimbra Foss CVE Commits (Aasha.nair, 10:37, 4 September 2026)
- Zimbra Releases/10.1.0/patch installation (Yogesh.dasi, 10:35, 4 September 2026)
- Zimbra Releases/10.1.0/patch installation (Yogesh.dasi, 10:33, 4 September 2026)
- Zimbra Foss Source Code Only Releases (Adrian.Gibanel, 11:41, 20 August 2026)
- Zimbra Foss CVE Commits (Adrian.Gibanel, 11:38, 20 August 2026)
- Zimbra Foss Source Code Only Releases (Adrian.Gibanel, 16:36, 10 August 2026)
- LDAP Multi Master Replication (Aasha.nair, 06:53, 10 August 2026)
- LDAP Multi Master Replication (Aasha.nair, 06:52, 10 August 2026)
Popular articles
- Strong TLS secure configuration
- Zimbra Security Advisories
- Zimbra Collaboration 8.7.x / Performing a Single-Server Installation
- Improving Anti-SPAM System
- Zimbra Collaboration 8.7.x / Performing an Upgrade
- Installing a Let's Encrypt SSL Certificate on Zimbra Collaboration
- Zimbra Mobile Installation and Setup for Android
- Default Ports Used by Zimbra
- Outgoing SMTP Authentication
- Zimbra Collaboration Certificates Tools
- Anti-spam Strategies
- Best Practices on Email Protection: SPF, DKIM and DMARC
- Zimbra Mobile Installation and Setup for iOS
- Performance Tuning Guidelines for Large Deployments
- Managing The Postfix Queues
Sticky articles
- ↪️ Getting started with Java and React, extend Zimbra 10!
- ↪️ List of ModernUI Zimlets that are available for Zimbra 10!
- ↪️ Other admin guides and articles
- ↪️ What to do when your security scanner alerts you for jspawnhelper in Zimbra
- Zimbra and LetsEncrypt SSL
- Zimbra Collaboration in Windows 10 - Microsoft Edge
- Windows Mail App using EAS in Windows 10
- Disabling the use of ephemeral DH keys in mailboxd
- How to obtain an A+ in SSLLabs
- High Fidelity Preview
- Exchange ActiveSync (EAS)
- Offline Mode
- Exchange Web Services (EWS)
- Installing a Comodo SSL Certificate
- Installing a RapidSSL Certificate
- DNS caching service (dnscache)
- Zimbra Archiving & Discovery
Zimbra Security Center
Zimbra is committed to providing a secure collaboration experience for our customers, partners, and users of our software.
Go to our Zimbra Collaboration Security Center to stay updated on all Security-related news.
