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Zimbra Collaboration 8.6 Patch 9 now available (includes fix for CVE-2017-8802). Read the announcement.
Zimbra Collaboration 8.8.7 + Zimbra Connector for Outlook 8.8.7 are available.. Read the announcement.
Are you a Zimbra Developer? You can find some interesting stuff in our Official GitHub: https://github.com/Zimbra and check the Community Projects too: https://github.com/Zimbra-Community/

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Announcements

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Zimbra Collaboration 8.8 is Now Available

Last post by jorgedlcruz « Fri Dec 15, 2017 3:01 pm
Posted in Announcements
Replies: 11
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by jorgedlcruz » Wed Dec 13, 2017 4:50 pm » in Announcements

We are proud to announce the release of Zimbra 8.8. Zimbra Collaboration 8.8 is an exciting release. Some features are only available in the Network...
11 Replies

36166 Views

Last post by jorgedlcruz View the latest post
Fri Dec 15, 2017 3:01 pm
Rspamd: A replacement for Spamassassin & Postscreen

Last post by phoenix « Mon Jul 16, 2018 10:44 am
Replies: 155
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by phoenix » Sat Jul 29, 2017 3:19 pm

I've been looking for a suitable replacement for DSPAM, a project that was good but died and became unmaintained then totally removed from Zimbra. In...
155 Replies

134006 Views

Last post by phoenix View the latest post
Mon Jul 16, 2018 10:44 am

Topics

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Another Letsencrypt method

Last post by yvespires « Tue Aug 07, 2018 7:58 pm
Replies: 83
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by JDunphy » Fri Nov 04, 2016 6:52 pm

Thought I would share a method that I prefer over installing and allowing the letsencrypt software to take over my zimbra host. For those users that...
83 Replies

39171 Views

Last post by yvespires View the latest post
Tue Aug 07, 2018 7:58 pm
STARTTLS everywhere

Last post by FredKarno « Thu Aug 02, 2018 3:58 pm
Replies: 3
by phoenix » Sat Jun 30, 2018 9:38 am

Following on from their success with Let's Encrypt (and certbot) the Electronic Frontier Foundation have launched an initiative to get all mail...

3 Replies

1276 Views

Last post by FredKarno View the latest post
Thu Aug 02, 2018 3:58 pm
memcached amplification attack

Last post by PiJToo « Wed Jul 25, 2018 4:00 pm
Replies: 14
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by reason2008 » Thu Mar 01, 2018 12:06 am

Is this anything we need to be concerned about? My server is behind a firewall and doesn't allow the port addressed in the article.
14 Replies

5952 Views

Last post by PiJToo View the latest post
Wed Jul 25, 2018 4:00 pm
A Grafana Dashboard for Zimbra Collaboration

Last post by mplaksin « Tue Jun 19, 2018 5:43 pm
Replies: 54
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by jorgedlcruz » Tue Aug 08, 2017 12:50 am

Hello everyone,
I've been working on a spare project using Grafana and Zimbra Collaboration. This dashboard, based on the well-known pflogsumm,...
54 Replies

22904 Views

Last post by mplaksin View the latest post
Tue Jun 19, 2018 5:43 pm
How to monitor Zimbra using pflogsumm and NET-SNMP-EXTEND

Last post by jorgedlcruz « Wed Dec 06, 2017 12:16 pm
Replies: 3
by jorgedlcruz » Mon Aug 14, 2017 12:20 pm

Hello everyone,
I've been working on a spare project using SNMP and Zimbra Collaboration. This project uses a modified version of the popular...

3 Replies

4376 Views

Last post by jorgedlcruz View the latest post
Wed Dec 06, 2017 12:16 pm
certbot-zimbra v0.2

Last post by jorgedlcruz « Sun Sep 10, 2017 10:14 am
Replies: 1
by maxxer » Sun Sep 10, 2017 8:30 am

Hi
An update for the users of this script: I've partially rewritten it so that now it patches nginx's template file instead of production ones....

1 Replies

4475 Views

Last post by jorgedlcruz View the latest post
Sun Sep 10, 2017 10:14 am
Moving OSE to new server

Last post by phoenix « Tue Aug 21, 2018 11:29 am
Replies: 1
by rosole » Tue Aug 21, 2018 11:10 am

Hello.

I'd like to move OSE to new server.
I did steps according to this easy guide:

The issue happens after step 6, got error:

./install.sh...

1 Replies

32 Views

Last post by phoenix View the latest post
Tue Aug 21, 2018 11:29 am
zmmailboxdctl is not running

Last post by saitejarsv « Tue Aug 21, 2018 9:33 am

by saitejarsv » Tue Aug 21, 2018 9:33 am

I recently Installed zimbra Release 8.8.9_GA_2055.RHEL7_64_20180703080917 RHEL7_64 FOSS edition and make it HA in ec2 servers. So after installation...

0 Replies

21 Views

Last post by saitejarsv View the latest post
Tue Aug 21, 2018 9:33 am
Snoozed events don't come back - Appointment Reminder stop to popup after snooze command

Last post by scantec « Tue Aug 21, 2018 9:28 am
Replies: 17
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by scantec » Thu Apr 06, 2017 10:46 am

Hello,

Someone can kindly test this on 8.7.6?
Reproduce:
- Create an appointment - with reminder for 5 minutes
- Snooze for 1 minute the reminder...
17 Replies

4229 Views

Last post by scantec View the latest post
Tue Aug 21, 2018 9:28 am
Zimlet View Mail Not Show

Last post by rizkypratama « Tue Aug 21, 2018 9:16 am

by rizkypratama » Tue Aug 21, 2018 9:16 am

Hello,

I have a problem with my Zimbra, I have installed viewmail zimlet, but in manage | account | right click, not show option View Mail

$...

0 Replies

28 Views

Last post by rizkypratama View the latest post
Tue Aug 21, 2018 9:16 am
Server fails to start (nginx start failed)

Last post by mack3457 « Tue Aug 21, 2018 6:03 am

by mack3457 » Tue Aug 21, 2018 6:03 am

Hi!

About 10 hours ago, our web server stopped working. When restarting it, we see an error message:

nginx start failed. reason: No available...

0 Replies

49 Views

Last post by mack3457 View the latest post
Tue Aug 21, 2018 6:03 am
Postfix Please try again later

Last post by marly « Mon Aug 20, 2018 10:28 pm
Replies: 3
by marly » Sun Aug 19, 2018 12:56 am

I have a Zimbra server and I was using one external spam filtering provider. I wanted to switch providers so I did.

The problem I’m running into is...

3 Replies

296 Views

Last post by marly View the latest post
Mon Aug 20, 2018 10:28 pm
antispam and antivirus issues

Last post by vignesh « Mon Aug 20, 2018 8:17 pm
Replies: 6
by vignesh » Mon Aug 20, 2018 6:38 pm

Hi,
I have zimbra 8.6 installed on my ubuntu server.
i am able to run all services on server except antispam and antivirus.
When i enable them and...

6 Replies

137 Views

Last post by vignesh View the latest post
Mon Aug 20, 2018 8:17 pm
Java error after 8.8.9 (Patch 3) (Zebra Tray Notifier)

Last post by RuiSimoes « Mon Aug 20, 2018 2:43 pm
Replies: 4
by RuiSimoes » Mon Aug 20, 2018 8:07 am

After the last Zimbra update (Zimbra 8.8.9_GA_3019 (build 20180809160254)) i start to receave a error log in the "mailbox.log".

I use the...

4 Replies

203 Views

Last post by RuiSimoes View the latest post
Mon Aug 20, 2018 2:43 pm
Outgoing Spam

Last post by mhammett « Mon Aug 20, 2018 11:56 am
Replies: 7
by brenoacp » Wed Jan 31, 2018 6:06 pm

Hello everyone,
Today we had a problem sending bulk spam for an account in our Zimbra.
The IP of our server has been added to several blacklists....

7 Replies

855 Views

Last post by mhammett View the latest post
Mon Aug 20, 2018 11:56 am
Zimbra 8.7 empty mail bug

Last post by barrydegraaff « Mon Aug 20, 2018 6:26 am

by barrydegraaff » Mon Aug 20, 2018 6:26 am

Hello All,

Since we have upgraded from 8.6 to 8.7.11 we are plagued by a bug that is hard to reproduce.
What happens is that a user composes an...

0 Replies

108 Views

Last post by barrydegraaff View the latest post
Mon Aug 20, 2018 6:26 am
How to block mail if Return-Path: and From: are not same

Last post by barrydegraaff « Mon Aug 20, 2018 6:22 am
Replies: 5
by sadiq007 » Sat Jul 10, 2010 2:45 am

to avoid spam i want block mail for which Return-Path: and From: are not same.how can i do that? because we are getting spam mail for our our users...

5 Replies

1044 Views

Last post by barrydegraaff View the latest post
Mon Aug 20, 2018 6:22 am
Updated: Ubuntu 14.04 kernel update 3.13.0-155 kills java/Zimbra (Not 8.8.9P3)

Last post by phoenix « Sat Aug 18, 2018 5:14 am
Replies: 3
by jered » Fri Aug 17, 2018 7:58 pm

Ignore this message and see the other thread that Bill links below.

--

WARNING: Do not install 8.8.9P3 on Ubuntu 14.04!

I just did so...

3 Replies

305 Views

Last post by phoenix View the latest post
Sat Aug 18, 2018 5:14 am
Zimbra & Linux Kernel 3.13.0-155 & Java...

Last post by Thinger « Fri Aug 17, 2018 2:32 pm
Replies: 5
by DavidMerrill » Thu Aug 16, 2018 12:59 pm

Anyone run into Zimbra/Java issues with the latest kernel update?

I think I’m running into what’s being reported here:

Not seeing any new...

5 Replies

354 Views

Last post by Thinger View the latest post
Fri Aug 17, 2018 2:32 pm
ZCS 8.8.9 Patch 3 is available

Last post by phoenix « Fri Aug 17, 2018 1:28 pm

by phoenix » Fri Aug 17, 2018 1:28 pm

A new patch has been released for ZCS 8.8.9:

I should mention that the notes tell you to run "yum install zimbra-patch" - that only works...

0 Replies

147 Views

Last post by phoenix View the latest post
Fri Aug 17, 2018 1:28 pm
Need to add multipal domain in my zimbra srv

Last post by qadir52786 « Fri Aug 17, 2018 5:54 am
Replies: 2
by qadir52786 » Sat Aug 11, 2018 6:10 am

Hello every one

I need help i want to add another domain in my mail server

right now it has been configure as .com and i also want to add .in...

2 Replies

275 Views

Last post by qadir52786 View the latest post
Fri Aug 17, 2018 5:54 am
After upgrade to 8.8.8 DNS-cache does not work when zimbra down

Last post by phoenix « Fri Aug 17, 2018 5:25 am
Replies: 14
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by Ace Suares » Wed Aug 15, 2018 12:11 pm

I discovered the following:
Since the upgrade from 8.7 to 8.8 the dns resolver doesn't work if zimbra is down.
At least, that is my assessment at the...
14 Replies

456 Views

Last post by phoenix View the latest post
Fri Aug 17, 2018 5:25 am
[SOLVED] NE licence expiry

Last post by phoenix « Thu Aug 16, 2018 5:27 pm
Replies: 3
by dik23 » Wed Aug 15, 2018 3:52 pm

Anyone here have any experience with NE licence expiry?

I'm aware that the server reverts to OS but how does this happen? Is it immediate, on the...

3 Replies

224 Views

Last post by phoenix View the latest post
Thu Aug 16, 2018 5:27 pm
Zimbra Storage

Last post by phoenix « Thu Aug 16, 2018 3:15 pm
Replies: 1
by sunil_ghimire » Thu Aug 16, 2018 1:33 pm

Have a 270 user zimbra server having issue with storage, memory now working in /swap...... zimbra is lagging its performance...
i am using a minimal...

1 Replies

84 Views

Last post by phoenix View the latest post
Thu Aug 16, 2018 3:15 pm
Allowing specific internal sender addresses through the MTA without a mailbox

Last post by MightyGorilla « Thu Aug 16, 2018 2:10 pm
Replies: 6
by MightyGorilla » Wed Jun 13, 2018 3:16 pm

I'll admit this feels like a really dumb question- and there may be a simple term for this concept, but I'm not aware of it, so my searches were...

6 Replies

441 Views

Last post by MightyGorilla View the latest post
Thu Aug 16, 2018 2:10 pm

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