Zimbra Forums

Has anyone successfully upgraded a multinode Zimbra server from 8.8.15 or 9 to Zimbra daffodil? What approach did you use?
We are planning to upgrade...

Hi

We use an external spam detection and filtering solution for our email system,
so the spam button in the Zimbra web client serves no purpose and...

Zimbra keeps playing 'whack-a-mole' with XSS (cross-site scripting, or script injection) (like CVE-2025-27915 ), so I've made protection using a...

While we are still waiting for security fixes from earlier releases to be made available - 10.1.10 & 10.0.16 have now been added to the repo

Excuse me, As a Zimbra user, I was wondering whether there was a way to link my Zimbra and Google contacts. I would like to keep my contacts in sync...

I currently have a CentOS7 installation of Zimbra 9.x Network Edition with approx 75 users. I am obviously needing to get away from CentoS 7 and...

Hi davidjames78,

That’s a frustrating issue with the PHP app timing out on Zimbra’s SMTP port 587! I’ve hit similar snags with Zimbra Collaboration...

Hi,

I have Zimbra desktop for Windows 11, and the PDF preview is not working.
Is there a plug in I can install to be able to see PDF ?

Thank you...

Sorry, Found the problem, I might accidentaly unchecked the MTA service from the Server Services Configuration at the Web Administation console.

Is Zimbra Desktop Secretly Spying on Your Emails?

Hello.

I've been working on some upgrade from 9.0 to 10.1 this week (rolling upgrade, multi-servers).
We've noticed a change of behavior in...

G'day All,

This is nothing more than a random thought bubble, so please treat it as such.

With the inevitable march to shorter and shorter SSL...

i have a Zimbra SEMAR account. I was wondering if there is a way to add my Zimbra SEMAR account to my Iphone using Mail app, to login instead of...

Hi,

from time to time some newer Outlook client (especially Outlook 2021) begins generating enormous traffic against my ZCS server via IMAP...

Hi all,

I have a support ticket open for this (case 01747918) which resulted in a bug being opened (ZBUG-4613). I'm wondering if anyone else is...