Zimbra Collaboration 8.7 - Release Candidate

You are invited!

We are taking feedback from our Customers, Partners and Open Source users seriously, we are proud to invite you to this Public Release Candidate Program.

Download it today, and before anyone else. The only thing we ask in return is your feedback.

Release Candidate Forum

We have a special Forum where you can ask or answer Questions about the Release Candidate for this Zimbra Collaboration 8.7

We are looking for Product Feedback from Partners and Customers on:

  • UI
  • Performance
  • Installation
  • Upgrade
  • New features


  • All bugs will be reported through bugzilla with the 8.7 keyword 8.7.0_ZCS_JudasPriest_RC
  • No Zimbra Support will be provided for the Release Candidate Program software
  • Release Candidate, Network Edition, testers must use their actual license to have a functional platform. If you have any issue with your license, please Open a Support Ticket

READY? Complete the Form on the sidebar of this page

We are looking forward to hearing what you have to say, especially if you experience any problems or issues.

What's new?

Read three of the main Topics and new features coming in Zimbra Collaboration 8.7:

Two Factor Authenticationzcs87-2fa-diagram.png

Zimbra Postscreen


Zimbra Repositoryzimbra-repository.png

Please DO NOT UPGRADE yet your Production Environments! This Release Candidate is for Testing Purposes. Zimbra will not provide Technical Support for those who upgrade a live Zimbra Infrastructure.

Registration in the program is now closed.

Thank you for participating in the Public Release Candidate program.

Your feedback and suggestions have been invaluable.Stay tuned for the release of 8.7.