Installation and Upgrade

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Zimbra 10.1.17 Released - Please Post Your Patch/Upgrade Results Here

Last post by andrey.ivanov « Tue Jun 09, 2026 8:09 am
Replies: 18
by adrian.gibanel.btactic » Thu May 28, 2026 9:41 am
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Release Notes:

Please post your patching and/or upgrading results here.

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Known bugs found after the release

- After upgrading to ZCO 1951...
18 Replies

5493 Views

Last post by andrey.ivanov
Tue Jun 09, 2026 8:09 am
Maldua's Zimbra FOSS Builds - Share your feedback

Last post by adrian.gibanel.btactic « Thu Jun 04, 2026 9:31 am
Replies: 60
by adrian.gibanel.btactic » Sat Jan 10, 2026 7:12 pm
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Maldua's Zimbra FOSS Builds - Share your feedback

This thread is about getting feedback from Maldua's Zimbra FOSS Builds.

- Main (Recommended)...
60 Replies

88774 Views

Last post by adrian.gibanel.btactic
Thu Jun 04, 2026 9:31 am
Upgrade from Zimbra 10.1.04_GA FOSS to 10.1.16_GA FOSS

Last post by adrian.gibanel.btactic « Thu Jun 04, 2026 9:19 am
Replies: 1
by capnino » Wed Jun 03, 2026 12:11 pm

Dear all,
I would like to use the pre-compiled packages of Zimbra Maldua to upgrade my Zimbra 10.1.04_GA FOSS to 10.1.16_GA FOSS on my Ubuntu 22.04...

1 Replies

564 Views

Last post by adrian.gibanel.btactic
Thu Jun 04, 2026 9:19 am
Ubuntu 24.04 install/upgrade feedback (ZCS NE)

Last post by BradC « Fri May 29, 2026 1:08 pm
Replies: 3
by adrian.gibanel.btactic » Thu May 28, 2026 10:12 am

Ubuntu 24.04 support has been made GA in ZCS NE 10.1.17 .

I believe that means that Synacor considers:

- Installing ZCS NE 10.1.10 to Ubuntu 24.04...

3 Replies

1775 Views

Last post by BradC
Fri May 29, 2026 1:08 pm
Zimbra 10 FOSS Installation Guide

Last post by halfgaar « Fri May 29, 2026 12:29 pm
Replies: 163
by innotelinc » Tue Sep 05, 2023 6:08 pm
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****** UPDATED GUIDE RIGHT HERE *******

Hello everyone, it's been a while! Good to see many who've made progress on this script here is the updated...
163 Replies

2938361 Views

Last post by halfgaar
Fri May 29, 2026 12:29 pm
Zimbra 10.1.16 Released - Please Post Your Patch/Upgrade Results Here

Last post by 7224jobe « Thu May 14, 2026 7:38 am
Replies: 37
by adrian.gibanel.btactic » Wed Feb 04, 2026 11:13 am
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Release Notes:

Please post your patching and/or upgrading results here.

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( This is a very small summary. Check the release notes above for...
37 Replies

42860 Views

Last post by 7224jobe
Thu May 14, 2026 7:38 am
disabling the daily mail activity reports

Last post by milauria « Sat May 09, 2026 7:39 am
Replies: 5
by needhelpnow » Tue Apr 15, 2008 5:39 pm

Hi I am running ZCS 5.0 on RHEL 4 and I see that there are lot of daily mail reports getting generated and sent automatically to admin@domain. can...

5 Replies

8054 Views

Last post by milauria
Sat May 09, 2026 7:39 am
Another head-scratcher: moving an account with a "+" sign in the name

Last post by rainer_d « Thu Apr 23, 2026 10:39 am
Replies: 7
by rainer_d » Wed Apr 22, 2026 8:15 am

Almost 10 years ago, somebody created an account with a + sign (like a+b@ce.de ).

When I try to move that account, the logs make it look like zimbra...

7 Replies

10911 Views

Last post by rainer_d
Thu Apr 23, 2026 10:39 am
Can we upgrade the mariadb of zimbra mailstore - running on 10.1.5

Last post by Balthazar « Thu Apr 23, 2026 9:57 am
Replies: 5
by zimuzer » Tue Mar 04, 2025 2:07 pm

Hi, is it possible to upgrade the mariadb version, current is Server version: 10.1.25-MariaDB . Reason for asking is, we encountered some issue when...

5 Replies

16584 Views

Last post by Balthazar
Thu Apr 23, 2026 9:57 am
"wiki" account in Zimbra?

Last post by rainer_d « Thu Apr 23, 2026 7:31 am
Replies: 4
by rainer_d » Tue Apr 21, 2026 1:00 pm

Hi,

I have an account wiki under the default domain of the server.
This account cannot be moved to another server with zmmboxmove, it seems?

It...

4 Replies

7819 Views

Last post by rainer_d
Thu Apr 23, 2026 7:31 am
Intermittent POP3 password prompts on ZCS 10.1.14 (no authentication logs, proxy issue)

Last post by Matiaz « Tue Apr 21, 2026 11:59 am
Replies: 4
by Matiaz » Wed Nov 26, 2025 5:47 pm

Hello everyone,
I need help diagnosing a strange POP3 issue on our Zimbra 10.1.14 installation.

We are experiencing intermittent POP3 password...

4 Replies

15258 Views

Last post by Matiaz
Tue Apr 21, 2026 11:59 am
A bunch of mails sent by root@domain.com

Last post by vchong68 « Tue Apr 21, 2026 11:50 am
Replies: 7
by dfreddie » Wed Apr 08, 2026 7:24 pm

After upgrade to 10.1.16p1 Maldua FOSS, I noticed 1411 mails sended every day by mail.domain.com (my domain)!
I've looked up in zimbra.log and I've...

7 Replies

21687 Views

Last post by vchong68
Tue Apr 21, 2026 11:50 am
Zimbra 10.1.14 owasp breaks HTML mails

Last post by Martinwiertz « Fri Mar 20, 2026 9:11 am
Replies: 17
by thomas.klaube » Mon Nov 17, 2025 9:17 am
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Hi all,

after updating to ZCS 10.1.14 some HTML mails are not being rendered correctly or displayed at all. We have seen this happening with shopify...
17 Replies

26299 Views

Last post by Martinwiertz
Fri Mar 20, 2026 9:11 am
Possible Bug - nginx proxy not seeing memcache when DoS workaround applied

Last post by liverpoolfcfan « Thu Mar 19, 2026 9:16 am
Replies: 7
by guitardood » Thu Jan 24, 2019 11:45 am

Hello All,
I just found a problem while troubleshooting another issue. For some reason, in the nginx.log file, I found it littered with the error no...

7 Replies

9692 Views

Last post by liverpoolfcfan
Thu Mar 19, 2026 9:16 am
zimbra : problem with defaults entries

Last post by sb0373 « Tue Mar 17, 2026 6:41 am
Replies: 2
by rondo2 » Wed Oct 07, 2015 4:26 pm

I am having an issue in which the admin account is getting repeated emails with the following:
*** SECURITY information for mail.xxxx.us ***...

2 Replies

6513 Views

Last post by sb0373
Tue Mar 17, 2026 6:41 am
Server migration from CentOS7 to RHEL9. Same 10.1 version not available

Last post by sb0373 « Sat Mar 14, 2026 7:37 am
Replies: 9
by sb0373 » Sat Feb 07, 2026 9:45 am

I am pretty late to the party and am planning to migrate from CentOS 7 with Zimbra 9 to RHEL9 Zimbra 10.1.
My approach is to upgrade CentOS 7 to...

9 Replies

9138 Views

Last post by sb0373
Sat Mar 14, 2026 7:37 am
Maldua's Zimbra FOSS Builds - 2025 Year Feedback [Archive]

Last post by adrian.gibanel.btactic « Tue Mar 10, 2026 12:42 pm
Replies: 121
by adrian.gibanel.btactic » Tue Dec 24, 2024 6:35 pm
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Maldua's Zimbra FOSS Builds - Share your feedback

This thread is about getting feedback from Maldua's Zimbra FOSS Builds.

- Main (Recommended)...
121 Replies

356959 Views

Last post by adrian.gibanel.btactic
Tue Mar 10, 2026 12:42 pm
Zimbra Multi Server not installing correctly

Last post by stegtatodc « Fri Feb 27, 2026 10:55 pm
Replies: 5
by stegtatodc » Thu Feb 19, 2026 11:57 pm

Hello Zimbra Community,
I am having a hard time installing Zimbra on a 2 server environment. I originally started installing a demo license of the...

5 Replies

8140 Views

Last post by stegtatodc
Fri Feb 27, 2026 10:55 pm
zmmailbox : Exception in thread "main" java.lang.OutOfMemoryError: Java heap space

Last post by adrian.gibanel.btactic « Mon Feb 23, 2026 4:57 pm
Replies: 19
by Leeloo » Tue May 27, 2025 8:02 am
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Hello,

I use zmmailbox to create dump/backup of my mailboxes.
But after upgrade to Release 10.1.8 .GA.4633.RHEL8_64.20240610085557 NETWORK edition....
19 Replies

36723 Views

Last post by adrian.gibanel.btactic
Mon Feb 23, 2026 4:57 pm
Maldua's Zimbra 10 FOSS Build system

Last post by adrian.gibanel.btactic « Mon Feb 23, 2026 4:08 pm
Replies: 63
by adrian.gibanel.btactic » Wed Mar 13, 2024 12:20 pm
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2026 02 14 update .

The project now consists of three different repos depending on each other.

Please check: Maldua's Zimbra FOSS - Build ecosystem...
63 Replies

1616014 Views

Last post by adrian.gibanel.btactic
Mon Feb 23, 2026 4:08 pm
What should I check after upgrading Zimbra ZCS?

Last post by Martinwiertz « Wed Feb 18, 2026 7:26 pm
Replies: 1
by jamieoliver » Sat Jan 17, 2026 4:30 am

Hi everyone, I just upgraded my Zimbra Collaboration Suite on a single server. I am using Ubuntu Server with approximately 50 mailboxes, as well as...

1 Replies

11543 Views

Last post by Martinwiertz
Wed Feb 18, 2026 7:26 pm
ZCS upgrade from 8.6.0 to 8.8.15 failed with wrong keystore password

Last post by darkfader « Wed Feb 18, 2026 2:03 pm
Replies: 2
by joller » Fri Aug 02, 2019 9:10 am

Hi there,

I tried to upgrade ZCS open-source from 8.6.0 to 8.8.15, but some error message showed up and finally the services didn't start.
The...

2 Replies

8300 Views

Last post by darkfader
Wed Feb 18, 2026 2:03 pm
Question to "ActiveSync quarantine"

Last post by Nuce « Wed Feb 18, 2026 6:03 am
Replies: 2
by Nuce » Tue Feb 17, 2026 3:24 pm

Hello,

we are switching from MS Exchange to Zimbra 10.1.14.

At MS Exchange we used the ActiveSync quarantine. We disabled ActiveSync. If our users...

2 Replies

5273 Views

Last post by Nuce
Wed Feb 18, 2026 6:03 am
Maldua's Zimbra FOSS Builds - 2024 Year Feedback [Archive]

Last post by darkfader « Tue Feb 17, 2026 12:04 am
Replies: 103
by adrian.gibanel.btactic » Mon Mar 18, 2024 11:48 am
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Maldua's Zimbra FOSS Builds - Forum Threads

Please choose the current year feedback thread and submit your feedback there.

- Maldua's Zimbra...
103 Replies

859202 Views

Last post by darkfader
Tue Feb 17, 2026 12:04 am
about FOSS 10.1.15 release?

Last post by Vincent Chen « Mon Feb 09, 2026 5:04 am
Replies: 2
by Vincent Chen » Thu Feb 05, 2026 1:36 am

Hi, all

I am still using 10.1.10 and I saw 10.1.1.15 marked as released in
Zimbra FOSS release page. But there is no 10.1.1.15 tag in
zmbuild...

2 Replies

7192 Views

Last post by Vincent Chen
Mon Feb 09, 2026 5:04 am

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