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Keep switching back to classic client – what features are missing for the final migration to modern web client?

Last post by oetiker « Fri Apr 17, 2026 9:42 am
Replies: 7
by oetiker » Thu Nov 20, 2025 8:08 am

Hi,

I've tried multiple times to switch to the modern web client permanently, but I keep reverting to the classic client because several important...

7 Replies

6462 Views

Last post by oetiker
Fri Apr 17, 2026 9:42 am
Dynamic List referencing two LDAP attributes, to include both with or logic.

Last post by yellowhousejake « Wed Apr 08, 2026 6:28 pm
Replies: 1
by yellowhousejake » Wed Apr 08, 2026 5:55 pm

I've taken over for DAve now that he has retired. I received a request from a department head to add a receptionist from another department to that...

1 Replies

1486 Views

Last post by yellowhousejake
Wed Apr 08, 2026 6:28 pm
Ubuntu 24.04

Last post by BradC « Wed Apr 08, 2026 3:24 am
Replies: 4
by BradC » Fri Feb 06, 2026 3:19 am

I did a few test installs on a staging machine. For whatever reason, Synacor has listed systemd-resolved as a dependency in zimbra-os-requirements...

4 Replies

5934 Views

Last post by BradC
Wed Apr 08, 2026 3:24 am
difference between /opt/zimbra/store and zmprov gqu

Last post by Klug « Thu Apr 02, 2026 7:53 am
Replies: 1
by anncarson » Thu Apr 02, 2026 6:59 am

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 in...

1 Replies

751 Views

Last post by Klug
Thu Apr 02, 2026 7:53 am
Associate failed logins with IPs?

Last post by milauria « Fri Mar 27, 2026 1:25 am
Replies: 1
by Domovoj » Thu Mar 26, 2026 8:51 am

I see tons of login attempts to non-existent accounts (many are aliases of an actual account) in mailbox.log, and similar SMTP auth failures in...

1 Replies

1369 Views

Last post by milauria
Fri Mar 27, 2026 1:25 am
[FOSS] 10.1.16 list for file integrity check

Last post by zmcontrol « Wed Mar 25, 2026 12:02 am

by zmcontrol » Wed Mar 25, 2026 12:02 am

Hello,

In my test environment I need to check the file integrity of the zimbra installation.
I noticed this nice script, but didn't previously run...

0 Replies

2006 Views

Last post by zmcontrol
Wed Mar 25, 2026 12:02 am
Z-Push Zimbra

Last post by BradC « Fri Mar 20, 2026 1:54 am
Replies: 4
by dibo69 » Wed Mar 16, 2022 7:46 pm

Hi,

I did a new installation of Zimbra 8.8.15 and Z-Push Zimbra Backend.

Zimbra is working properly, but synchronization with z-push is extremely...

4 Replies

9399 Views

Last post by BradC
Fri Mar 20, 2026 1:54 am
Speeding up Zimbra restarts

Last post by ghen « Thu Mar 19, 2026 9:22 pm

by ghen » Thu Mar 19, 2026 9:22 pm

Hi

You may have noticed that restarting Zimbra can take a long time... But there are quite a few corners we can cut.

Level 1: Instead of restarting...

0 Replies

2290 Views

Last post by ghen
Thu Mar 19, 2026 9:22 pm
Broken zmdailyreport - Report Emails Prematurely Truncated - Fixed zmdailyreport on Github

Last post by L. Mark Stone « Thu Mar 19, 2026 4:43 pm

by L. Mark Stone » Thu Mar 19, 2026 4:43 pm

On our own hosting farm and on several customers' systems, we've noticed that the Daily Mail Report email gets truncated periodically. Since this...

0 Replies

2156 Views

Last post by L. Mark Stone
Thu Mar 19, 2026 4:43 pm
Linux user zimbra lost rights in zmprov

Last post by volandkey « Wed Mar 18, 2026 9:28 am
Replies: 4
by vbmchik » Thu Jul 07, 2022 7:38 am

Hello all.
After update my zimbra OSE installation to Zimbra 8.8.15_GA_4303 (build 20220612004933)
I lost ability to run zmprov from linux user...

4 Replies

4512 Views

Last post by volandkey
Wed Mar 18, 2026 9:28 am
ZBUG-4827: Contact Ranking fetch causing slowness (Java Consumes 100% of CPU)

Last post by frompani « Thu Mar 12, 2026 8:30 am
Replies: 2
by L. Mark Stone » Tue Apr 22, 2025 2:08 pm

Zimbra have created ZBUG-4827 in response to a Support Case we opened where we observed Java was consuming 100% of a mailstore's CPU, sometimes for...

2 Replies

4425 Views

Last post by frompani
Thu Mar 12, 2026 8:30 am
Inconsistent SMTP AUTH enforcement: Outlook vs Thunderbird

Last post by adrian.gibanel.btactic « Tue Mar 10, 2026 12:29 pm
Replies: 20
by asa » Tue Dec 30, 2025 8:40 am
1

2

3
We are observing a serious inconsistency in how Zimbra enforces the authenticated sender depending on the mail client.

When a Zimbra mailbox is...
20 Replies

14172 Views

Last post by adrian.gibanel.btactic
Tue Mar 10, 2026 12:29 pm
Zimbra Out-of-Office: Different Auto-Reply per "To" Address?

Last post by oetiker « Mon Mar 09, 2026 10:12 am

by oetiker » Mon Mar 09, 2026 10:12 am

Hey everyone,

I'm running into a limitation with Zimbra's built-in Out-of-Office (Vacation) feature: it only allows you to set a single auto-reply...

0 Replies

2897 Views

Last post by oetiker
Mon Mar 09, 2026 10:12 am
mailboxd webapps not starting after update

Last post by nopanic-systems « Fri Mar 06, 2026 5:54 pm
Replies: 3
by nopanic-systems » Fri Mar 06, 2026 1:28 pm

Hello all
ubunu20 zimbra 10.0.7
yesterday Idid an update via apt.
result is mailboxd webapps not starting after update.

in mailbox error log I...

3 Replies

1606 Views

Last post by nopanic-systems
Fri Mar 06, 2026 5:54 pm
Zimbra Support Portal Misconfiguration - "Template: Notify: New Z assignment notification (to Z)" Emails Marked As Spam

Last post by L. Mark Stone « Tue Mar 03, 2026 4:18 pm

by L. Mark Stone » Tue Mar 03, 2026 4:18 pm

Support Portal Emails using this template are currently being marked as spam, due to the template being configured to send email as if it came from...

0 Replies

3281 Views

Last post by L. Mark Stone
Tue Mar 03, 2026 4:18 pm
Java and Java GC Tuning

Last post by ghen « Sun Mar 01, 2026 9:51 am
Replies: 2
by L. Mark Stone » Fri Feb 27, 2026 1:57 am

After several weeks of iterative testing, we've published a blog post with our recommendations for tuning Java and the Java Garbage Collector on...

2 Replies

2231 Views

Last post by ghen
Sun Mar 01, 2026 9:51 am
Duplicate email uploads exceeding users quota - ZBUG-4613

Last post by ghen « Wed Feb 25, 2026 10:45 am
Replies: 13
by Matt » Wed Jan 08, 2025 10:29 am
1

2
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...
13 Replies

11557 Views

Last post by ghen
Wed Feb 25, 2026 10:45 am
Cannot Log In to Restores of Accounts With 2FA - Workaround Available

Last post by L. Mark Stone « Mon Feb 23, 2026 9:59 pm
Replies: 2
by L. Mark Stone » Mon Feb 16, 2026 8:37 pm

I had hoped this bug would have been fixed when the enhanced backup engine was released with 10.1.16, but regrettably not.

Issue:
When an account...

2 Replies

2780 Views

Last post by L. Mark Stone
Mon Feb 23, 2026 9:59 pm
Web GUI cbpolicyd Limits page is blank.

Last post by adrian.gibanel.btactic « Mon Feb 23, 2026 5:49 pm
Replies: 3
by someone » Sat Feb 21, 2026 8:16 pm

Hi,

I have installed cbpolicyd (with sqlite) years ago on our old Zimbra v.8 or so, (on old Ubuntu, v.16 or so) using the instructions on the page...

3 Replies

2163 Views

Last post by adrian.gibanel.btactic
Mon Feb 23, 2026 5:49 pm
Zimbra Daffodil (v10.1.16) file preview problem

Last post by yeak « Sat Feb 21, 2026 1:32 am
Replies: 6
by slava_ua » Wed Feb 11, 2026 7:32 am

Good morning!

I don't know what's wrong, but after updating Zimbra to 10.1.16, when I click on a file, the preview opens. However, when I click the...

6 Replies

3975 Views

Last post by yeak
Sat Feb 21, 2026 1:32 am
[SOLVED] LDAP bind, not access from lan IP

Last post by darkfader « Wed Feb 18, 2026 11:38 pm
Replies: 4
by 10114bart » Tue Apr 22, 2008 7:13 pm

Hello.
I need to access to the zimbra-ldap from the lan, to get access to the GAL from mail clients. The zimbra LDAP server refuse conection from the...

4 Replies

3403 Views

Last post by darkfader
Wed Feb 18, 2026 11:38 pm
zmbackup error

Last post by darkfader « Wed Feb 18, 2026 2:15 pm
Replies: 4
by bilalhussian » Tue Feb 27, 2024 10:43 am

I have installed zmbackup version 1.2.6 on zimbra 8.8 installed on centos 7.0. but when I try to take backup using the command zmbackup -f it gives...

4 Replies

3312 Views

Last post by darkfader
Wed Feb 18, 2026 2:15 pm
LDAP Admin Password: Not verified

Last post by darkfader « Wed Feb 18, 2026 1:35 pm
Replies: 24
by SuperLex » Thu Oct 25, 2018 2:43 pm
1

2

3
Hello everybody,

I can't progress with my multi server intallation, I had install an LDAP Zimbra server and I would like to continue to install an...
24 Replies

20418 Views

Last post by darkfader
Wed Feb 18, 2026 1:35 pm
New Forum User Unable to Register?

Last post by btrent98 « Wed Feb 11, 2026 10:20 pm

by btrent98 » Wed Feb 11, 2026 10:20 pm

I have a co-worker who is trying to join this forum, but is having a weird issue. She registers and gets the confirmation email, but when she clicks...

0 Replies

4378 Views

Last post by btrent98
Wed Feb 11, 2026 10:20 pm
Slow down password bruteforce attack

Last post by yeak « Wed Feb 11, 2026 4:59 am

by yeak » Wed Feb 11, 2026 4:59 am

Hi all,

Zimbra has DoSFilter, see

There are still many password bruteforce attacks going on in 587, some in the gaps of seconds. It is as if the...

0 Replies

4204 Views

Last post by yeak
Wed Feb 11, 2026 4:59 am

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