Knowledge Base

We are not offering 24/7 telephone support at this time, please open a Support Ticket

  • knowledgebase
  • announcements
Search

Most Popular
Recently Added
Recently Updated
Topics
  Billing (8)

  Support (617)
    DNS, Domain Registration, Email, Mailing lists (Mailman), SPAM and Virus Email Filter, Web Site

  Support Portal (1)

All Articles

Title Updated Views
Fighting Spam Calendar Invitations 8 days ago  68
Create a mailbox out of a forwarding address 1 month ago  188
Zimbra 2FA: Moving 2FA Auth codes to a new device authentication app 1 month ago  5900
Zimbra 2FA: Step 1: Secure HIS Zimbra Webmail login 1 month ago  3516
Setting Up Zimbra 10 Desktop App 1 month ago  224
Zimbra 10 new document editing in Briefcase 2 months ago  399
Zimbra 10 ZCO supported Windows and Outlook versions 2 months ago  419
ZCO: Why am I getting Local Failure Notices? 2 months ago  453
ZCO: Fix Persistent Local Failure Notices Outlook Stuck Syncing 2 months ago  411
Zimbra Connector for Outlook (ZCO): Uninstall/Reinstall Process 2 months ago  461
October 2025: Transition to Zimbra 10 2 months ago  2049
Creating a Persona in Zimbra webmail 2 months ago  518
Stop Zimbra from automatically adding calendar invites into calendar 2 months ago  449
Zimbra 10 Connector for Outlook (ZCO) Installation steps 2 months ago  603
Zimbra 8 Pro: Setting up Microsoft Outlook (Windows) with Zimbra 8 Connector for Outlook Synchronization (ZCO) 2 months ago  10267
Thunderbird IMAP: Shorten Sync Time 2 months ago  1762
What's new in store with Zimbra 10? 3 months ago  494
Zimbra Webmail versions User's guides 3 months ago  613
Zimbra 10 User’s guide for Modern Web App 3 months ago  916
Warning: Possible inconvenience and account lock-out ahead! 3 months ago  655
(Showing 1-20 of 399) Next> >>

For news and system status updates, check: status.his.com

Check our Knowledge Base for How-To tips and answers to common questions.

We are not offering 24/7 telephone support at this time, please open a Support Ticket