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 (609)
    DNS, Domain Registration, Email, Mailing lists (Mailman), SPAM and Virus Email Filter, Web Site

  Support Portal (1)

All Articles

Title Updated Views
Creating a Persona in Zimbra webmail 5 hours ago  6
Stop Zimbra from automatically adding calendar invites into calendar 2 days ago  30
Zimbra 10 Connector for Outlook (ZCO) Installation steps 2 days ago  32
October 2025: Transition to Zimbra 10 2 days ago  1016
Zimbra 8 Pro: Setting up Microsoft Outlook (Windows) with Zimbra 8 Connector for Outlook Synchronization (ZCO) 2 days ago  9315
Thunderbird IMAP: Shorten Sync Time 6 days ago  763
What's new in store with Zimbra 10? 13 days ago  113
Zimbra Webmail versions User's guides 17 days ago  218
Zimbra 10 User’s guide for Modern Web App 17 days ago  431
Warning: Possible inconvenience and account lock-out ahead! 17 days ago  226
Set up 2FA by email 17 days ago  196
Zimbra 2FA: Step 2: Generating application code for other devices / EMail Apps 17 days ago  7781
Zimbra 2FA: Step 3: Generating One Time Codes for emergency use 17 days ago  3500
Zimbra 2FA: Supported Authentication Applications 17 days ago  6045
Zimbra 2FA: Moving 2FA to a new authentication app on a new device 17 days ago  5151
Zimbra 2FA: How to enable and set-up 2-Factor Authentication for your HIS-Hosted Zimbra email account 17 days ago  5875
Zimbra 2FA: Step 1: Secure HIS Zimbra Webmail login 17 days ago  2921
Password requirements for email accounts 23 days ago  3458
Changing @his.com Email Account Password Using A Temporary Password 23 days ago  7444
Changing Zimbra - @his.com Email Account Password Knowing The Current One 23 days ago  2737
(Showing 1-20 of 392) 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