Installation and Upgrade

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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

1879 Views

Last post by Martinwiertz
Thu Dec 04, 2025 12:44 pm
Help, i made the update to 10.1.13 ubuntu 20

Last post by Martinwiertz « Wed Dec 03, 2025 7:25 pm
Replies: 16
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...
16 Replies

1835 Views

Last post by Martinwiertz
Wed Dec 03, 2025 7:25 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

328 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

1559 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

2783126 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

3169 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

310 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

9928 Views

Last post by mocha
Wed Nov 26, 2025 6:08 pm
Maldua's Zimbra FOSS Builds - Share your feedback

Last post by adrian.gibanel.btactic « Mon Nov 24, 2025 7:08 pm
Replies: 118
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.

- Stable Releases can be...
118 Replies

93258 Views

Last post by adrian.gibanel.btactic
Mon Nov 24, 2025 7:08 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

3493 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

445 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

940 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

1016 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

2426 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

534 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

538 Views

Last post by saket.patel
Wed Nov 12, 2025 6:26 am
How do I enable modern version of zimbra 10 webmail?

Last post by jered « Tue Nov 11, 2025 4:28 pm
Replies: 10
by simonleung » Tue Nov 11, 2025 4:29 am
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I have installed Zimbra 10. Still, I do not find the modern/ mobile version of webmail(see attached photo> How do I enable the modern look of webmail?
10 Replies

1078 Views

Last post by jered
Tue Nov 11, 2025 4:28 pm
ZCS FOSS 10.1.12 - Security fixes and embargoed commits

Last post by adrian.gibanel.btactic « Tue Nov 11, 2025 3:51 pm

by adrian.gibanel.btactic » Tue Nov 11, 2025 3:51 pm

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...

0 Replies

701 Views

Last post by adrian.gibanel.btactic
Tue Nov 11, 2025 3:51 pm
Upgrade/Migrate Zimbra 8815 and change OS at the same time

Last post by yeak « Tue Nov 11, 2025 11:53 am

by yeak » Tue Nov 11, 2025 11:53 am

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...

0 Replies

657 Views

Last post by yeak
Tue Nov 11, 2025 11:53 am
After apt upgrade mailboxd and jetty don´t work. Resolved: downgrade zimbra-jetty-distribution

Last post by Ace Suares « Fri Nov 07, 2025 11:34 am

by Ace Suares » Fri Nov 07, 2025 11:34 am

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...

0 Replies

1001 Views

Last post by Ace Suares
Fri Nov 07, 2025 11:34 am
upgrade from 10.1.9 -> 10.1.11 error zimbra-jetty-distribution >= 9.4.57.v20241219-2.r8 is required

Last post by jered « Thu Nov 06, 2025 7:32 pm
Replies: 6
by baroth » Wed Oct 29, 2025 1:30 pm

hello

Can I ask someone for help ?

I am performing an upgrade from Zimbra 10.1.9 to 10.1.11 using

The build process completes successfully, but I...

6 Replies

1159 Views

Last post by jered
Thu Nov 06, 2025 7:32 pm
Zimbra 10.1.12 Released - Please Post Your Patch/Upgrade Results Here

Last post by akanellis « Thu Oct 30, 2025 3:20 pm
Replies: 23
by adrian.gibanel.btactic » Thu Oct 16, 2025 12:02 pm
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Release Notes:

Please post your patching and/or upgrading results here.

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Please note that this is a Network Edition only release . It makes...
23 Replies

4943 Views

Last post by akanellis
Thu Oct 30, 2025 3:20 pm
logger and logswatch stop in 8.8.15

Last post by sanddweller « Tue Oct 21, 2025 2:17 pm
Replies: 2
by mfehr » Fri Aug 09, 2019 6:16 am

On my 8.8.15 server (Ubuntu 16.04) zmlogswatchctl and logger often stop working. After this error, I can start both processes using zmswatchctl start...

2 Replies

4173 Views

Last post by sanddweller
Tue Oct 21, 2025 2:17 pm
ZCS FOSS 10.1.12 - Upcoming FOSS release issues

Last post by BradC « Mon Oct 20, 2025 11:50 am
Replies: 10
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)...
10 Replies

2622 Views

Last post by BradC
Mon Oct 20, 2025 11:50 am
ZCS FOSS 10.1.10 - Security fixes and embargoed commits

Last post by adrian.gibanel.btactic « Thu Oct 16, 2025 11:36 am
Replies: 6
by adrian.gibanel.btactic » Thu Jul 24, 2025 9:02 am

ZCS FOSS 10.1.10 - Security fixes and embargoed commits

This thread will study ZCS NE 10.1.10 (released on July 18, 2025) security fixes and their...

6 Replies

6281 Views

Last post by adrian.gibanel.btactic
Thu Oct 16, 2025 11:36 am

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