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SPAM Mail from admin to admin email with a fake address.

Last post by aavvll « Tue May 12, 2026 9:08 am
Replies: 2
by aavvll » Sun May 10, 2026 2:37 pm

I have a Zimbra 10.1.16 server.
I started receiving ransomware messages sent to my admin@domain.com email address from admin@domain.com.
The mail...

2 Replies

739 Views

Last post by aavvll
Tue May 12, 2026 9:08 am
Zimbra Sales Contacts

Last post by robsie « Wed May 06, 2026 3:04 pm
Replies: 1
by tlgerdes » Thu Apr 23, 2026 7:10 am

Hi,

Can someone PM me a Zimbra sales contact?

I have submitted the form 3 time in the last 3 weeks and no one has responded.

I have an existing...

1 Replies

1958 Views

Last post by robsie
Wed May 06, 2026 3:04 pm
Zimbra SSDB resource pool limits

Last post by JDunphy « Thu Apr 30, 2026 5:33 pm
Replies: 1
by ghen » Thu Apr 30, 2026 10:20 am

Hi

Does anyone here have zimbraSSDBResourcePoolSize and/or zimbraSSDBResourcePoolTimeout set to non-zero values?

We are experiencing occasional...

1 Replies

1242 Views

Last post by JDunphy
Thu Apr 30, 2026 5:33 pm
Change in authentication failure logging patterns in Zimbra 10.1.x ?

Last post by dapa6 « Wed Apr 29, 2026 9:46 am
Replies: 2
by dapa6 » Tue Apr 28, 2026 6:28 pm

Hello

on a 10.1.x installation, I am noticing a different behavior in logging pattern of failed authentications (ref. audit.log) that is consistent...

2 Replies

964 Views

Last post by dapa6
Wed Apr 29, 2026 9:46 am
Zimbra Out-of-Office: Different Auto-Reply per "To" Address?

Last post by DiGa « Tue Apr 28, 2026 1:42 pm
Replies: 1
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...

1 Replies

5611 Views

Last post by DiGa
Tue Apr 28, 2026 1:42 pm
EAS Mail retention settings on IOS

Last post by BradC « Sun Apr 26, 2026 5:19 am

by BradC » Sun Apr 26, 2026 5:19 am

We have one client on IOS who wanted to sync their entire mailbox rather than the default one month setting. I made the change in the COS which...

0 Replies

1416 Views

Last post by BradC
Sun Apr 26, 2026 5:19 am
Keep switching back to classic client – what features are missing for the final migration to modern web client?

Last post by djulien « Fri Apr 24, 2026 2:58 pm
Replies: 11
by oetiker » Thu Nov 20, 2025 8:08 am
1

2
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...
11 Replies

13083 Views

Last post by djulien
Fri Apr 24, 2026 2:58 pm
What is the best way to change a password in Active Directory using Zimbra?

Last post by Nuce « Tue Apr 21, 2026 5:56 am

by Nuce » Tue Apr 21, 2026 5:56 am

I keep coming across the ADPassword extension. Is that the best solution? Are there simpler methods? What do you guys use?

0 Replies

1413 Views

Last post by Nuce
Tue Apr 21, 2026 5:56 am
Execute or apply a mail filter from the command line

Last post by liverpoolfcfan « Mon Apr 20, 2026 7:55 pm
Replies: 4
by walter_arguello » Sat Jun 02, 2012 7:56 am

Hi!
Does anyone know if there is any way to run a mail filter using the CLI? :D

4 Replies

3358 Views

Last post by liverpoolfcfan
Mon Apr 20, 2026 7:55 pm
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

3450 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

8784 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

2470 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

3034 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

4816 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

11230 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

4995 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

4972 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

6214 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

6090 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

25594 Views

Last post by adrian.gibanel.btactic
Tue Mar 10, 2026 12:29 pm
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

3191 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

6091 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

4007 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

19883 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

4652 Views

Last post by L. Mark Stone
Mon Feb 23, 2026 9:59 pm

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