Installation and Upgrade

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Maldua's Zimbra FOSS Builds - Share your feedback

Last post by vchong68 « Sun Jan 18, 2026 9:37 am
Replies: 6
by adrian.gibanel.btactic » Sat Jan 10, 2026 7:12 pm

Maldua's Zimbra FOSS Builds - Share your feedback

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

- Main (Recommended)...

6 Replies

1051 Views

Last post by vchong68
Sun Jan 18, 2026 9:37 am
What should I check after upgrading Zimbra ZCS?

Last post by jamieoliver « Sat Jan 17, 2026 4:30 am

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...

0 Replies

129 Views

Last post by jamieoliver
Sat Jan 17, 2026 4:30 am
Maldua's Zimbra FOSS Builds - 2025 Year Feedback [Archive]

Last post by adrian.gibanel.btactic « Sat Jan 10, 2026 7:21 pm
Replies: 119
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)...
119 Replies

107532 Views

Last post by adrian.gibanel.btactic
Sat Jan 10, 2026 7:21 pm
ZCS FOSS 10.1.12 - Upcoming FOSS release issues

Last post by adrian.gibanel.btactic « Fri Jan 09, 2026 7:49 am
Replies: 17
by adrian.gibanel.btactic » Mon Oct 13, 2025 11:07 am
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If you keep a track of Github repos commits and recently pushed tags you can deduce that ZCS NE 10.1.12 release (and its ZCS NE 10.0.18 counterpart)...
17 Replies

4569 Views

Last post by adrian.gibanel.btactic
Fri Jan 09, 2026 7:49 am
CBPolicyd Crashing Due To Attempted IPv6 Binding - ZBUG-3074

Last post by ghen « Mon Dec 29, 2025 2:08 pm
Replies: 1
by L. Mark Stone » Mon Dec 29, 2025 1:14 pm

Historically, we've used Ubuntu for most ZImbra deployments, but to get a longer-lived operating system, we've been building new servers on Rocky...

1 Replies

585 Views

Last post by ghen
Mon Dec 29, 2025 2:08 pm
Over again installation problem Zimbra 10 on rockylinux 9.

Last post by adrian.gibanel.btactic « Mon Dec 29, 2025 12:38 pm
Replies: 17
by Blisk » Wed Dec 17, 2025 9:59 am
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I have installed zimbra now for 7 times, 3 times on fresh new server but always the same problem, just can't start zimbra, I get also installation...
17 Replies

2036 Views

Last post by adrian.gibanel.btactic
Mon Dec 29, 2025 12:38 pm
Bayes Databases Not Created In Clean, New Zimbra 10.1.15 Installation

Last post by L. Mark Stone « Fri Dec 26, 2025 10:23 pm
Replies: 1
by L. Mark Stone » Wed Dec 17, 2025 9:20 pm

I opened a bug report with Zimbra, because I noticed on some newly-built Zimbra 10.1.15 MTA servers that even after a few days there were no Bayes...

1 Replies

883 Views

Last post by L. Mark Stone
Fri Dec 26, 2025 10:23 pm
Help, i made the update to 10.1.13 ubuntu 20

Last post by Martinwiertz « Mon Dec 22, 2025 8:49 pm
Replies: 17
by alextr » Wed Nov 12, 2025 1:28 am
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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...
17 Replies

4118 Views

Last post by Martinwiertz
Mon Dec 22, 2025 8:49 pm
Can I redirect the webmail of Zimbra 10 to another web page?

Last post by ghen « Wed Dec 17, 2025 8:44 am
Replies: 1
by simonleung » Wed Dec 17, 2025 8:03 am

Can I redirect the webmail of Zimbra 10 to another web page?

1 Replies

423 Views

Last post by ghen
Wed Dec 17, 2025 8:44 am
Maldua's Zimbra FOSS Builds - 2024 Year Feedback [Archive]

Last post by adrian.gibanel.btactic « Mon Dec 08, 2025 11:04 pm
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

226504 Views

Last post by adrian.gibanel.btactic
Mon Dec 08, 2025 11:04 pm
Migration from 8.8.15 on 20.04 to 10.1.x on 22.04 (or newer)?

Last post by dgeist « Fri Dec 05, 2025 5:44 pm

by dgeist » Fri Dec 05, 2025 5:44 pm

Greetings, all. I've been hosting a few personal domains on Ubuntu/Zimbra FOSS for well over a decade and have been frankly a little scared to get...

0 Replies

1221 Views

Last post by dgeist
Fri Dec 05, 2025 5:44 pm
Zimbra 10.1.14 owasp breaks HTML mails

Last post by Martinwiertz « Thu Dec 04, 2025 12:44 pm
Replies: 15
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...
15 Replies

3585 Views

Last post by Martinwiertz
Thu Dec 04, 2025 12:44 pm
Unable to upgrade ZCS 10.1.9

Last post by adrian.gibanel.btactic « Tue Dec 02, 2025 7:21 am
Replies: 3
by uxbod » Mon Dec 01, 2025 1:51 pm

Hello all!

Am trying to upgrade an older installation but it's failing. Any ideas on how to resolve or should I look at building a complete new...

3 Replies

1026 Views

Last post by adrian.gibanel.btactic
Tue Dec 02, 2025 7:21 am
Zimbra 10.1.15 Released - Please Post Your Patch/Upgrade Results Here

Last post by uttam.takalkar « Mon Dec 01, 2025 9:06 am
Replies: 12
by adrian.gibanel.btactic » Tue Nov 25, 2025 10:01 am
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Release Notes:

Please post your patching and/or upgrading results here.

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Patch Security Severity. Deployment Risk. ( From blog post )

-...
12 Replies

3676 Views

Last post by uttam.takalkar
Mon Dec 01, 2025 9:06 am
Zimbra 10 FOSS Installation Guide

Last post by adrian.gibanel.btactic « Mon Dec 01, 2025 8:29 am
Replies: 157
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...
157 Replies

2800502 Views

Last post by adrian.gibanel.btactic
Mon Dec 01, 2025 8:29 am
IMPORTANT: DO NOT let system package manger update zimbra-jetty-distribution w/o 10.1.13

Last post by Martinwiertz « Sun Nov 30, 2025 5:49 pm
Replies: 20
by jered » Thu Nov 06, 2025 7:06 pm
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My system package manager pulled the Zimbra FOSS packages from the repo updates coincident with 10.1.13, which caused zmmailboxd and the web apps to...
20 Replies

5802 Views

Last post by Martinwiertz
Sun Nov 30, 2025 5:49 pm
Intermittent POP3 password prompts on ZCS 10.1.14 (no authentication logs, proxy issue)

Last post by adrian.gibanel.btactic « Thu Nov 27, 2025 8:32 am
Replies: 1
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...

1 Replies

851 Views

Last post by adrian.gibanel.btactic
Thu Nov 27, 2025 8:32 am
Zimbra 10.1.13 Released - Please Post Your Patch/Upgrade Results Here

Last post by mocha « Wed Nov 26, 2025 6:08 pm
Replies: 78
by adrian.gibanel.btactic » Thu Nov 06, 2025 9:52 am
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Release Notes:

Please post your patching and/or upgrading results here.

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Zimbra NE 10.1.13 issues summary

( I don't usually do these...
78 Replies

15209 Views

Last post by mocha
Wed Nov 26, 2025 6:08 pm
Zimbra 10.1.14 Released - Please Post Your Patch/Upgrade Results Here

Last post by mocha « Mon Nov 24, 2025 3:29 pm
Replies: 23
by adrian.gibanel.btactic » Wed Nov 12, 2025 6:31 am
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Release Notes:

Please post your patching and/or upgrading results here.

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Patch Security Severity. Deployment Risk.

For customers on...
23 Replies

5761 Views

Last post by mocha
Mon Nov 24, 2025 3:29 pm
What password hash algorithm does ldap use?

Last post by simonleung « Fri Nov 21, 2025 4:11 am
Replies: 2
by simonleung » Thu Nov 20, 2025 5:13 pm

I want to change the passwords of Zimbra 10 mailboxes on Roundcube webmail. How does ldap hash the passwords? Should I use ssha512 password hash in...

2 Replies

1013 Views

Last post by simonleung
Fri Nov 21, 2025 4:11 am
Zimbra 10.1.13 open source build won't start zmmailboxdctl

Last post by JDunphy « Wed Nov 19, 2025 6:27 pm
Replies: 10
by 181874 » Wed Nov 19, 2025 12:45 pm
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Hello there,

just built a current version of Zimbra OSS via JimDunphys build_zimbra.sh (
So far the compiling process finished without a warning....
10 Replies

2361 Views

Last post by JDunphy
Wed Nov 19, 2025 6:27 pm
Zimbra FOSS 10.1.12 broken : install.sh pulls wrong packages

Last post by ghen « Thu Nov 13, 2025 9:08 pm
Replies: 6
by seblu » Sun Nov 09, 2025 10:40 pm

Hello everyone,

I'm building Zimbra FOSS 10.1.12 on Ubuntu 20.04 following the official zm-build steps:

git clone --depth 1 --branch 10.1.0
cd...

6 Replies

1704 Views

Last post by ghen
Thu Nov 13, 2025 9:08 pm
confused: Is it safe to apt-get update && upgrade Zimbra Release 10.1.12.GA.4633.UBUNTU20_64 NETWORK edition to 10.1.13?

Last post by mcdaniels « Thu Nov 13, 2025 8:31 am
Replies: 22
by mcdaniels » Fri Nov 07, 2025 11:29 am
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Hi folks,

while reading through the posts here I am getting a little bit confused.

I have got Release 10.1.12.GA.4633.UBUNTU20_64 NETWORK...
22 Replies

3905 Views

Last post by mcdaniels
Thu Nov 13, 2025 8:31 am
Missing 10.1.13 / 10.1.14 git tag on zm-mailbox git repo

Last post by danielb « Wed Nov 12, 2025 10:29 pm
Replies: 2
by danielb » Wed Nov 12, 2025 8:26 am

Hi.

It seems repo is missing some tags. There's no 10.1.13, nor 10.1.14. I understand not all versions has a matching tag on all repo, but for...

2 Replies

1028 Views

Last post by danielb
Wed Nov 12, 2025 10:29 pm
How do I install zimbra-zimlet-set-default-client?

Last post by saket.patel « Wed Nov 12, 2025 6:26 am
Replies: 3
by simonleung » Tue Nov 11, 2025 10:37 am

I want to install zimbra-zimlet-set-default-client on Zimbra 10. Still, I found the error message as follows. How do I solve the problem?

apt-get...

3 Replies

1068 Views

Last post by saket.patel
Wed Nov 12, 2025 6:26 am

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