Zimbra Releases/8.7.11/P12

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Zimbra Collaboration 8.7.11 Patch 12 GA Release

Check out the Fixed Issues for this version of Zimbra Collaboration. Please refer to the Patch Installation section for Patch Installation instructions. As always, you are encouraged to tell us what you think in the Forums or open a support ticket to report issues.

Software changes

Fixed Issues

  • Attendees can now receive a forwarded meeting request from EWS users.
  • Shared calendar sync issues on Mac mail and outlook on Mac when a shared calendar has thousands of meeting events; is now fixed.
  • A shared folder in a multi-node environment now syncs all items with Mac Calendar client and Mac Outlook.
  • Emoji displays correctly in HTML emails.
  • OWASP based HTML sanitization for protecting the web application against XSS, which replaces the current Nekohtml based HTML sanitizer. The new OWASP fixes the performance issues seen while rendering certain mimes on the web client.
  • Addressed below issues which occured with some IMAP clients:
    • IMAP client applications that require the user to subscribe to folders were not being offered folders in shared mailboxes.
    • IMAP clients that should automatically show folders in shared mailboxes did not display them.
  • A new fix prevents the window from becoming unresponsive when using 'compose in new window' and print option.

Patch Installation

Before Installing the Patch

Before installing the patch, consider the following:

  • Zimbra Collaboration patches can be found at https://www.zimbra.com/downloads/zimbra-collaboration/
  • Patches are cumulative and delivered as a TGZ file.
  • A full backup should be performed before any patch is applied. There is no automated roll-back.
  • Zimlet patches can include removing existing Zimlets and redeploying the patched Zimlet.
  • The installation process installs only files or Zimlets associated with installed packages.
  • Switch to user zimbra before using ZCS CLI commands.
  • Important! You cannot revert to the previous ZCS release after you upgrade to the patch.

Install the Patch

Note: This patch should be installed only on all mailbox nodes running in your environment.

1. Before you begin, confirm you have the following:

  • Zimbra Collaboration 8.7.11 GA installed
  • Zimbra Collaboration 8.7.11 Patch 12 TGZ file

2. Copy the patch.tgz file(s) to your server.

3. Install Zimbra Collaboration 8.7.11 Patch 12

  • a. Log in as root and cd to the directory where you have saved the tar file. Type
tar xzf zcs-patch-8.7.11_GA_XXX.tgz
cd zcs-patch-8.7.11_GA_XXX
  • b. As root, install the patch. Type
  • c. Switch to user zimbra
su – zimbra
  • d. ZCS must be restarted to changes to take effect. Type
zmcontrol restart

Note: For users who have the web-client open and are running the FOSS edition, the refresh notice might state that you have changed to the NETWORK Edition; however, your feature set remains FOSS.

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