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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

244465 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 lowhigh « Wed Apr 08, 2020 4:29 pm
Replies: 194
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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...
194 Replies

761946 Views

Last post by lowhigh View the latest post
Wed Apr 08, 2020 4:29 pm

Topics

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Zimbra 9 now available - in case anyone missed the blog post

Last post by zimico « Thu Apr 09, 2020 1:40 am
Replies: 14
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by phoenix » Tue Apr 07, 2020 5:44 pm

Release Notes:

Before anyone asks, there doesn't appear to be an OSS version available (yet?) for download and the new Modern Web App is only...
14 Replies

1255 Views

Last post by zimico View the latest post
Thu Apr 09, 2020 1:40 am
How to monitor Zimbra using pflogsumm and NET-SNMP-EXTEND

Last post by TerranceM « Tue Apr 07, 2020 6:43 pm
Replies: 8
Attachment(s) 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...

8 Replies

25819 Views

Last post by TerranceM View the latest post
Tue Apr 07, 2020 6:43 pm
CVE-2019-9670 being actively exploited

Last post by phoenix « Sun Feb 16, 2020 7:22 am
Replies: 248
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Attachment(s) by maxxer » Wed Apr 03, 2019 2:32 pm

As many repoted on IRC, the latest security bug found in Zimbra is being actively exploited in the wild.

It's easy to find a compromised install...
248 Replies

234733 Views

Last post by phoenix View the latest post
Sun Feb 16, 2020 7:22 am
A Grafana Dashboard for Zimbra Collaboration

Last post by bdardy « Fri Nov 22, 2019 10:43 am
Replies: 77
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Attachment(s) 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,...
77 Replies

113137 Views

Last post by bdardy View the latest post
Fri Nov 22, 2019 10:43 am
certbot-zimbra v0.2

Last post by onzyg « Mon Sep 09, 2019 7:54 pm
Replies: 5
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....

5 Replies

24378 Views

Last post by onzyg View the latest post
Mon Sep 09, 2019 7:54 pm
STARTTLS everywhere

Last post by FredKarno « Thu Jul 11, 2019 12:39 pm
Replies: 7
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...

7 Replies

18737 Views

Last post by FredKarno View the latest post
Thu Jul 11, 2019 12:39 pm
Another Letsencrypt method

Last post by JDunphy « Sat Jul 06, 2019 5:57 pm
Replies: 111
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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...
111 Replies

163972 Views

Last post by JDunphy View the latest post
Sat Jul 06, 2019 5:57 pm
memcached amplification attack

Last post by davidkillingsworth « Thu May 30, 2019 12:12 pm
Replies: 16
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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.
16 Replies

32037 Views

Last post by davidkillingsworth View the latest post
Thu May 30, 2019 12:12 pm
auto reply message for all users

Last post by fs.schmidt « Thu Apr 09, 2020 9:46 pm
Replies: 1
by chmind » Thu Apr 09, 2020 8:05 am

Hello.

Is it possible to configure auto repply for all users ?

1 Replies

184 Views

Last post by fs.schmidt View the latest post
Thu Apr 09, 2020 9:46 pm
out of office for Distribution List

Last post by chmind « Thu Apr 09, 2020 8:30 pm

by chmind » Thu Apr 09, 2020 8:30 pm

Hello.

Is it possible to configure out of office messages for distribution list.
I have tried to add a fake user with out of office message to a...

0 Replies

75 Views

Last post by chmind View the latest post
Thu Apr 09, 2020 8:30 pm
Modern UI not available after 9.0.0 NE upgrade

Last post by L. Mark Stone « Thu Apr 09, 2020 8:10 pm
Replies: 1
by gardais » Thu Apr 09, 2020 5:12 pm

Hi,

I've upgrade 8.8.15p8 to 9.0.0 with a valid license.
Upgrade went fine, no issue.

However, the login window is in the modern style but the...

1 Replies

142 Views

Last post by L. Mark Stone View the latest post
Thu Apr 09, 2020 8:10 pm
Slow POP after migration to 8.8.15

Last post by TerranceM « Thu Apr 09, 2020 7:16 pm
Replies: 1
by ccelis5215 » Fri Apr 03, 2020 11:20 am

Hello,

We had very stable old servers with 8.0.9. Last weekend we ran a successful migration to 8.8.15 P8 (Thanks ZeXtras).

After that, all...

1 Replies

324 Views

Last post by TerranceM View the latest post
Thu Apr 09, 2020 7:16 pm
Broke server after setting Rejecting false "mail from"

Last post by TerranceM « Thu Apr 09, 2020 7:15 pm
Replies: 1
by zim_mike » Mon Apr 06, 2020 5:36 pm

I'm running 8.8.15 and followed the first steps on the following page.

zmprov mcf zimbraMtaSmtpdRejectUnlistedRecipient yes
zmprov mcf...

1 Replies

300 Views

Last post by TerranceM View the latest post
Thu Apr 09, 2020 7:15 pm
zimbra 8.8.15 cpu peaks

Last post by TerranceM « Thu Apr 09, 2020 7:14 pm
Replies: 1
by nirt » Tue Apr 07, 2020 9:29 am

Hi,

I have detected that in some hours, we have some cpu peaks (3/4 cores), and process with high cpu usage is this:

top - 10:53:40 up 164 days,...

1 Replies

187 Views

Last post by TerranceM View the latest post
Thu Apr 09, 2020 7:14 pm
Unable to search through the mails

Last post by TerranceM « Thu Apr 09, 2020 7:13 pm
Replies: 6
by blason78 » Tue Mar 31, 2020 3:55 am

Hi Folks,

I have Zimbra version Release 8.0.5_GA and I was facing disk space issue. Hence I went through multiple threads and found that that search...

6 Replies

1028 Views

Last post by TerranceM View the latest post
Thu Apr 09, 2020 7:13 pm
emails dissapear from queue

Last post by TerranceM « Thu Apr 09, 2020 7:11 pm
Replies: 2
by tomgol » Thu Apr 09, 2020 9:01 am

Hi
Somtimes our customers complain that they aren't receiving emails they are expecting. log info kinda support they claims:
an email send to 3...

2 Replies

137 Views

Last post by TerranceM View the latest post
Thu Apr 09, 2020 7:11 pm
Cant shake bruteforce monkey

Last post by L. Mark Stone « Thu Apr 09, 2020 12:25 pm
Replies: 15
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by copowpow » Fri Oct 19, 2018 3:59 pm

I am having issues combating brute-force attempts on my ZCS server.

I have fail2ban in place but it is not helping in this situation, they just...
15 Replies

3799 Views

Last post by L. Mark Stone View the latest post
Thu Apr 09, 2020 12:25 pm
Spell Check button not available in translated ZWC

Last post by kratochvil « Thu Apr 09, 2020 8:41 am

by kratochvil » Thu Apr 09, 2020 8:41 am

Hi, I have ZCE 8.8.15 and after I add community translation (cs) I see no Check spelling button (nor Alt+X works). In other languages it works. So it...

0 Replies

85 Views

Last post by kratochvil View the latest post
Thu Apr 09, 2020 8:41 am
How to protect accounts that frequently get locked out?

Last post by davidkillingsworth « Thu Apr 09, 2020 3:29 am
Replies: 9
by bhwong » Mon May 25, 2015 2:58 am

We notice there are a few accounts that frequently get locked out due to multiple failed login attempt. We do not wish to remove the locked out...

9 Replies

3068 Views

Last post by davidkillingsworth View the latest post
Thu Apr 09, 2020 3:29 am
Database Integrity check report for ...

Last post by cyber7 « Wed Apr 08, 2020 7:23 pm
Replies: 3
by cyber7 » Mon Mar 04, 2019 5:23 am

Good day
I get the following errors doing a check. This happened after a restore of my database due to corruption after a power failure...
Database...

3 Replies

1006 Views

Last post by cyber7 View the latest post
Wed Apr 08, 2020 7:23 pm
Out of office doesn't send reply to external senders

Last post by vebaglaci « Wed Apr 08, 2020 5:12 am
Replies: 3
Attachment(s) by vebaglaci » Wed Apr 01, 2020 12:25 pm

Hi,

I'm using "Release 8.8.15.GA.3829.UBUNTU14.64 UBUNTU14_64 FOSS edition, Patch 8.8.15_P1." on Ubuntu 14.04.

How my zimbra configured...

3 Replies

4713 Views

Last post by vebaglaci View the latest post
Wed Apr 08, 2020 5:12 am
Exception during HTML sanitization: java.lang.IndexOutOfBoundsException: Index: [..]

Last post by ofi « Tue Apr 07, 2020 7:35 pm

Attachment(s) by ofi » Tue Apr 07, 2020 7:35 pm

Recently we are experiencing blank HTML messages in web-ui from one of our partners. HTML looks fine, message also looks fine in other webmail/email...

0 Replies

211 Views

Last post by ofi View the latest post
Tue Apr 07, 2020 7:35 pm
java.lang.OutOfMemoryError

Last post by TerranceM « Tue Apr 07, 2020 6:55 pm
Replies: 4
by babitts » Fri Apr 03, 2020 4:58 pm

Hi,

We are having an error on zimbra Version 8.8.10, the access via webmail and admin are down and in the log /opt/zimbra/log/zmmailboxd.out it...

4 Replies

796 Views

Last post by TerranceM View the latest post
Tue Apr 07, 2020 6:55 pm
How remove self-signed root from the zimbra server

Last post by TerranceM « Tue Apr 07, 2020 6:53 pm
Replies: 1
by Captd » Sat Apr 04, 2020 5:41 pm

Hi!

I install new commercial ssl cert on the my zimbra server. Then I tested my ssl cert on the site ssltools.digicert.com.
This site wrote the...

1 Replies

263 Views

Last post by TerranceM View the latest post
Tue Apr 07, 2020 6:53 pm
Spam:- RBL's Not working

Last post by L. Mark Stone « Tue Apr 07, 2020 5:40 pm
Replies: 12
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by Uncle_Limpy » Tue Nov 28, 2017 1:27 pm

Hi,

I'm after a bit of help please? I'm running Ubuntu 16.04 and Zimbra 8.7.11_GA_1854.FOSS

My RBL settings are not working at all. I get no...
12 Replies

2102 Views

Last post by L. Mark Stone View the latest post
Tue Apr 07, 2020 5:40 pm

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