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Zimbra 9 (on CENTOS7) to zimbra 10.1 question about migration

Last post by slacker1337 « Fri Jul 11, 2025 5:39 am
Replies: 3
by leep75 » Tue Jul 08, 2025 5:26 pm

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...

3 Replies

688 Views

Last post by slacker1337
Fri Jul 11, 2025 5:39 am
Is it possible to remove the spam button from the web client?

Last post by ghen « Thu Jul 10, 2025 10:08 am
Replies: 4
by oetiker » Wed Jul 09, 2025 8:01 am

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...

4 Replies

510 Views

Last post by ghen
Thu Jul 10, 2025 10:08 am
Globally protecting Zimbra against XSS with Content-Security-Policy

Last post by adrian.gibanel.btactic « Wed Jul 09, 2025 8:39 am
Replies: 22
by halfgaar » Sat Jun 21, 2025 12:53 am
1

2

3
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...
22 Replies

3031 Views

Last post by adrian.gibanel.btactic
Wed Jul 09, 2025 8:39 am
zmcontrol start seems to skip starting MTA

Last post by setegib « Mon Jul 07, 2025 7:19 am

by setegib » Mon Jul 07, 2025 7:19 am

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

0 Replies

787 Views

Last post by setegib
Mon Jul 07, 2025 7:19 am
Autocomplete behaviour change between 9.0 and 10.1

Last post by IamtheStefan « Fri Jul 04, 2025 12:54 pm
Replies: 13
by Klug » Fri Jun 13, 2025 1:02 pm
1

2
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...
13 Replies

2039 Views

Last post by IamtheStefan
Fri Jul 04, 2025 12:54 pm
SSL certificate renewal process

Last post by ghen « Fri Jul 04, 2025 7:26 am
Replies: 1
by BradC » Fri Jul 04, 2025 12:57 am

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...

1 Replies

502 Views

Last post by ghen
Fri Jul 04, 2025 7:26 am
Enormous IMAP traffic from Outlook clients to ZCS server

Last post by adrian.gibanel.btactic « Thu Jul 03, 2025 3:57 pm
Replies: 5
by Labsy » Sun Mar 20, 2022 8:11 pm

Hi,

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

5 Replies

15952 Views

Last post by adrian.gibanel.btactic
Thu Jul 03, 2025 3:57 pm
uploads exceeding users quota - ZBUG-4613

Last post by adrian.gibanel.btactic « Thu Jul 03, 2025 3:51 pm
Replies: 1
by hannaconner » Thu Jul 03, 2025 3:45 am

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...

1 Replies

500 Views

Last post by adrian.gibanel.btactic
Thu Jul 03, 2025 3:51 pm
Error on webmail "Unable to copy/upload file to the server"

Last post by Klug « Thu Jul 03, 2025 11:05 am
Replies: 7
by cdoukoure » Tue Jul 01, 2025 2:22 pm

Hi everyone,

I've deployed Zimbra in multi node architecture (LDAP, MAILSTORE, MTA/PROXY)

Some users have error on the webmail Unable to...

7 Replies

1212 Views

Last post by Klug
Thu Jul 03, 2025 11:05 am
Bringing Light to Email Address Autocomplete in Zimbra (zimbraGalAutoCompleteLdapFilter)

Last post by oetiker « Wed Jul 02, 2025 1:32 pm
Replies: 4
by oetiker » Wed Jul 02, 2025 10:03 am

Hi,

I'm running `Release 10.1.9.GA.4633.UBUNTU20_64 NETWORK edition.` and since the upgrade from 10.0 to 10.1 the
Autocompletion does not work...

4 Replies

745 Views

Last post by oetiker
Wed Jul 02, 2025 1:32 pm
Zimbra Ubuntu packaging key expired? [SOLVED]

Last post by frompani « Wed Jul 02, 2025 12:36 pm
Replies: 13
by BradC » Mon Mar 17, 2025 3:33 am
1

2
Went to do a test upgrade this morning and had apt reject the repositories.
The following signatures were invalid: EXPKEYSIG 5234D2B73B6996C7 Zimbra...
13 Replies

12581 Views

Last post by frompani
Wed Jul 02, 2025 12:36 pm
Upgrade from 10.0.13.GA to Release 10.1.7.GA

Last post by oetiker « Fri Jun 27, 2025 9:35 am
Replies: 5
by oetiker » Fri May 02, 2025 5:54 am

Hi

Upgrade was running through with no issues. I just had to provide the new License Key during
the installation and after the upgrade Zimbra was...

5 Replies

3745 Views

Last post by oetiker
Fri Jun 27, 2025 9:35 am
Zimbra Full-Stack UTF-8 Support - ZRFE-186

Last post by L. Mark Stone « Thu Jun 26, 2025 3:51 pm

by L. Mark Stone » Thu Jun 26, 2025 3:51 pm

I opened a Support Case to see if it would be OK to change Postfix's attribute smtputf8_enable from no to yes , understanding that this implies full...

0 Replies

743 Views

Last post by L. Mark Stone
Thu Jun 26, 2025 3:51 pm
DMARC alignment in Zimbra 8.8.15

Last post by simeon25 « Thu Jun 26, 2025 5:49 am
Replies: 16
by mabi » Thu Dec 08, 2022 4:04 pm
1

2
Hello,

Does Zimbra 8.8.15 GA perform DMARC alignment (incl. SPF+DKIM alignment) out-of-the-box in order to prevent email address/domain spoofing?...
16 Replies

14566 Views

Last post by simeon25
Thu Jun 26, 2025 5:49 am
Admin console says no services are running but zmcontrol status says they are

Last post by Michl « Tue Jun 24, 2025 8:18 pm
Replies: 5
by Michl » Tue Jun 24, 2025 3:29 am

Hi there,

I imagine there's a simple fix for this, but the subject describes the issue. I've included screenshots, attached.

Thanks.

5 Replies

605 Views

Last post by Michl
Tue Jun 24, 2025 8:18 pm
Password recovery

Last post by phoenix « Mon Jun 23, 2025 1:55 pm
Replies: 1
by vladyslav36430 » Mon Jun 23, 2025 8:12 am

Hello admins can you help me with password recovery please contact me

1 Replies

614 Views

Last post by phoenix
Mon Jun 23, 2025 1:55 pm
Duplicate entries in /var/log/zimbra.log

Last post by horobi « Mon Jun 23, 2025 12:26 pm
Replies: 7
by horobi » Thu Jun 05, 2025 3:16 pm

Hi, i've upgraded a Zimbra 8.8.15 installation on Ubuntu 18.04, upgrading the os to 20.04 and then reinstalling Zimbra 8.8.15 for Ubuntu 20.04

All...

7 Replies

1401 Views

Last post by horobi
Mon Jun 23, 2025 12:26 pm
Zimbra Security Problem

Last post by halfgaar « Sat Jun 21, 2025 12:41 am
Replies: 4
by dstuncer » Thu Jun 19, 2025 3:40 pm

Hello,
I urgently need your support. I am using Zimbra version 8.8.15_GA_4484.FOSS. I have discovered that my server was somehow hacked and one of my...

4 Replies

925 Views

Last post by halfgaar
Sat Jun 21, 2025 12:41 am
zmconifgd logs Command not defined

Last post by umashankar.avagadda « Thu Jun 19, 2025 2:17 am
Replies: 5
by oetiker » Sun May 11, 2025 7:02 pm

Hi

In my zimbra (Release 10.1.7.GA.4633.UBUNTU20_64 NETWORK edition)

zmconfigd logs:

May 11 20:58:52 zimbra zmconfigd : Command not defined for...

5 Replies

2014 Views

Last post by umashankar.avagadda
Thu Jun 19, 2025 2:17 am
Migration from 8.8.15 to 10.x - question about tags

Last post by Klug « Fri Jun 13, 2025 12:54 pm
Replies: 3
by it@dynacomtm.com » Thu Jun 12, 2025 2:18 pm

Hello,
We are currently migrating our production environment from 8.8.15 to latest 10.x Zimbra version and we are wondering if there is a way to...

3 Replies

573 Views

Last post by Klug
Fri Jun 13, 2025 12:54 pm
External AntiSpam Gateway iIntegration

Last post by liverpoolfcfan « Thu Jun 12, 2025 12:17 am
Replies: 11
by alaurent » Thu Jun 05, 2025 5:47 pm
1

2
I need to integrate an external AntiSpam Gateway solution with my Zimbra. What should I do from the GW to the email headers so that Zimbra moves them...
11 Replies

1670 Views

Last post by liverpoolfcfan
Thu Jun 12, 2025 12:17 am
CVE-2025-24813

Last post by Thomasfrank « Mon Jun 09, 2025 4:22 am
Replies: 6
by darkfader » Thu Mar 13, 2025 6:35 pm

Hi,

this CVE smells like it affects Zimbra, and importantly, across many generations of installations.
Could anyone comment on what they think the...

6 Replies

5249 Views

Last post by Thomasfrank
Mon Jun 09, 2025 4:22 am
Mailbox - difference between /opt/zimbra/store and zmprov gqu

Last post by BradC « Thu Jun 05, 2025 11:18 am
Replies: 1
by zimbraadmin789789 » Thu Jun 05, 2025 9:38 am

Hello,

I have an anomaly in my zimbra server
For some accounts the size indicated by zmprov gqu is excessively smaller than the size of the mailbox...

1 Replies

595 Views

Last post by BradC
Thu Jun 05, 2025 11:18 am
Outlook Pst migration to Zimbra-8.8.15_GA_4581.FOSS

Last post by BradC « Thu Jun 05, 2025 12:49 am
Replies: 2
by Ankit Sharma » Wed Jun 04, 2025 6:28 am

Hi Team,

I currently running Zimbra-8.8.15_GA_4581.FOSS and want to move outlook pst to zimbra. So i have checked zimbra migration tool on zimbra...

2 Replies

683 Views

Last post by BradC
Thu Jun 05, 2025 12:49 am
HTTP ERROR 404 permission denied

Last post by BradC « Wed Jun 04, 2025 6:27 am
Replies: 7
by computernala » Thu May 29, 2025 4:25 am

Hi.
I am an IT person in a small company that uses zimbra.
I moved from zimbra 8.6 to 10.1.6 yesterday.
But today I ran into a serious problem.
I...

7 Replies

1158 Views

Last post by BradC
Wed Jun 04, 2025 6:27 am

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