Zimbra Forums

How to change the default SMTP port (25) because port 25 is blocked by Yahoo, I want to use port 465 or 587.

I am using Zimbra 8.8.15_GA_4717.FOSS...

HI, I made the mistake of updating from 10.1.11 to 10.1.13 now zmmailboxdctl is no longer starting.
I tried to switch back to a previous version of...

ZCS FOSS 10.1.12 - Security fixes and embargoed commits

This thread will study ZCS NE 10.1.12 (released on October 06, 2025) security fixes and...

Hi all, I created a script to assist upgrade/migrate Zimbra from any version to the latest 10.1 FOSS or NE. I have tested it with Maldua FOSS...

Hi

I am on Maldua FOSS build system and used the binary for 10.1.4
after apt dist-upgrade today mailboxd and jetty dont work anymore.

I upgraded to...

This ActiveSync Auth extension will improve integration with Z-Push and Z-Push Zimbra Backend .

activesyncauth-adminzimlet1.png

Features:

- 2FA...

Hi all,
I am creating a zimlet and in that i am using dialog from import { ModalDialog } from '@zimbra-client/components';
In modal dialog by...

I am wondering how to make Zimbra Mailboxd to connect to Zimbra MTA using TLS (465). Currently this zimbraSmtpHostname is set to localhost:25, if it...

Hello!

I just upgraded from 9 to 10.1 directly on the server, I would now like to migrate Zimbra to another server under Rocky 8.10.

I have rsync...

Hi everyone,

I’m using a service account in delegated mode to access users’ calendars, but I can only see Free/Busy information — the event details...

Hello,

I am setting up Zimbra for a school and need guidance on how to:

Create an admin account (or delegated admin) that can manage user accounts...

Hi all

A client server has started getting this error message below. It has been working fine, it just started yesterday.

(delivery temporarily...

Single User Export

Old Server:

$ zmmailbox -z -m hashir@domain.com getRestURL 'Calendar/?fmt=tgz' > /tmp/hashir-calendar.tgz
$ zmmailbox -z -m...

Old server:

Create an empty file to store all aliases and set file ownership to zimbra

# touch /tmp/all_accts_aliases.txt && chown zimbra:zimbra...

All the other hotkeys work, but del does nothing when an e-mail is open. Solution?

Version is
Zimbra 10.1.10_GA_4785 (build 20250701073705)

Hello,

Does anyone know whether Zimbra (latest version) fully supports SMTPUTF8, and has this been tested?
I am currently considering whether to...

Bonjour,

J'utilise un MDM pour déployer l'application Android Zimbra sur les tablettes gérées de l'entreprise.
Avec ce MDM je peux pousser des...

Several of my professional services customers who have configured their corporate domains in Zimbra to do Active Directory authentication have...

How do I resolve this issue? Is this a problem?

Since I send thousands of emails a day, I'm worried my email server is being listed as spam.

I've...

Hey everyone,
I’ve been on Zimbra for about five months now, and I just wanted to share a bit of my experience. Overall, I’ve really come to enjoy...

Hi,
I have a question, as the support so far does not seem to be very helpful.

I would like to test the upgrade of Ubuntu from 20 to 22 with Zimbra...

We run MediaWiki 1.43 internally, and I first draft my Zimbra wiki articles there before moving them over to Zimbra’s public wiki. That workflow has...

I am using zimbra10 and using the Custom Python 3 Milter on Zimbra10 feature to make banners and I am having difficulty in the following:
I am having...

Hi,

When searching a folder using the SOAP API it is possible to add both a query string $startFromDate and a locale to specify the format of the...

Hi everyone.

I decided to upgrade to 10.1.10-NETWORK from 9.0 FOSS+zextras
i'll install a new VM for that (single server)
I have a few concern about...