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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

21862 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 bunny « Thu Apr 12, 2018 11:48 pm
Replies: 149
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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...
149 Replies

88975 Views

Last post by bunny View the latest post
Thu Apr 12, 2018 11:48 pm

Topics

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Another Letsencrypt method

Last post by JDunphy « Sun Apr 08, 2018 4:46 pm
Replies: 66
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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...
66 Replies

22966 Views

Last post by JDunphy View the latest post
Sun Apr 08, 2018 4:46 pm
memcached amplification attack

Last post by GlooM « Mon Mar 05, 2018 8:43 am
Replies: 13
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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.
13 Replies

2287 Views

Last post by GlooM View the latest post
Mon Mar 05, 2018 8:43 am
A Grafana Dashboard for Zimbra Collaboration

Last post by jasggomes « Fri Feb 16, 2018 8:47 am
Replies: 53
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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,...
53 Replies

12422 Views

Last post by jasggomes View the latest post
Fri Feb 16, 2018 8:47 am
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

2150 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

1996 Views

Last post by jorgedlcruz View the latest post
Sun Sep 10, 2017 10:14 am
LDAP filter for GAL external Active Directory to exclude admins group

Last post by Jordack « Thu Apr 19, 2018 12:47 pm
Replies: 2
by gibengy » Mon Mar 26, 2018 10:24 am

Hi, I'm trying to set up external active directory GAL on zimbra 8.8.7; My current working filter is...

2 Replies

186 Views

Last post by Jordack View the latest post
Thu Apr 19, 2018 12:47 pm
e-mail account restore procedure(open source)

Last post by DualBoot « Thu Apr 19, 2018 12:42 pm
Replies: 2
by Rambabu » Tue Apr 17, 2018 11:30 am

One of our users e-mail account has been deleted automatically from zimbra server.As observed that even the e-mail account was deleted from the...

2 Replies

137 Views

Last post by DualBoot View the latest post
Thu Apr 19, 2018 12:42 pm
Secure cookies in http mode

Last post by DualBoot « Thu Apr 19, 2018 12:36 pm
Replies: 2
by abatie » Thu Oct 12, 2017 12:45 am

I'm playing with a development cluster (8.7.11_GA_1854_RHEL7_64) and trying to set it to http mode for testing. I seem to be able to get it into http...

2 Replies

471 Views

Last post by DualBoot View the latest post
Thu Apr 19, 2018 12:36 pm
ldap - unknown GAL op

Last post by sirio81 « Thu Apr 19, 2018 12:22 pm
Replies: 5
by sirio81 » Thu Apr 19, 2018 7:42 am

Hi all, I notice this error in my mailbox.log

2018-04-19 06:26:34,017 WARN [ScheduledTask-1]...

5 Replies

98 Views

Last post by sirio81 View the latest post
Thu Apr 19, 2018 12:22 pm
help with senderscore reputation

Last post by fferraro87 « Thu Apr 19, 2018 10:21 am

by fferraro87 » Thu Apr 19, 2018 10:21 am

Hi,

i've some problem with a zimbra mail server, i've senderscore around 60/70 because of these two parameters :

1) Complaints
2) Unknown Users...

0 Replies

39 Views

Last post by fferraro87 View the latest post
Thu Apr 19, 2018 10:21 am
unknown document: ZxChatRequest popup on webmail

Last post by rocklee44 « Thu Apr 19, 2018 7:59 am

Attachment(s) by rocklee44 » Thu Apr 19, 2018 7:59 am

Hi all,
My environment : Release 8.8.8_GA_2009.RHEL7_64_20180322150747 RHEL7_64 FOSS edition (open source edition) + CentOS 7 + Active Directory....

0 Replies

1 Views

Last post by rocklee44 View the latest post
Thu Apr 19, 2018 7:59 am
Can not login to Ajax web client

Last post by DualBoot « Thu Apr 19, 2018 7:48 am
Replies: 1
by tminh » Thu Apr 19, 2018 3:46 am

I update to ZCS 8.8.8 lastweek, and I can not login to Web client using Ajax interface (html is normal). It keep stuck at "Loading..."

I...

1 Replies

56 Views

Last post by DualBoot View the latest post
Thu Apr 19, 2018 7:48 am
Server IP Exclusion for Enforcing a Match Between...

Last post by DualBoot « Thu Apr 19, 2018 7:46 am
Replies: 1
by ckcheong79 » Thu Apr 19, 2018 4:44 am

My Zimbra Version Zimbra 8.8.5GA.FOSS

Dear Friends of Zimbra,

I have implemented this features, it is a cold security improvement for spam filter....

1 Replies

74 Views

Last post by DualBoot View the latest post
Thu Apr 19, 2018 7:46 am
Cannot find spam and nonspam accounts - Possible to recreate them ?

Last post by ssanudas « Thu Apr 19, 2018 6:35 am
Replies: 4
by nirg » Sun Oct 15, 2006 2:07 am

Hi, The 2 accounts for spam and ham learning which are created upon installation are missing in mine. I think I might have erased them, not knowing...

4 Replies

233 Views

Last post by ssanudas View the latest post
Thu Apr 19, 2018 6:35 am
High cpu load for java process after upgrade to 8.8.6

Last post by donguru « Wed Apr 18, 2018 6:43 pm
Replies: 9
by sarge » Sun Mar 18, 2018 4:17 pm

HI,
After upgrade from 8.6.0 to Zimbra 8.8.6_GA_1906(Community), there were problems with CPU.
My system:
VM Centos 6 x64 on VMWare esxi 5.5
4vCPU...

9 Replies

585 Views

Last post by donguru View the latest post
Wed Apr 18, 2018 6:43 pm
Too much pings per second

Last post by plagoutte « Wed Apr 18, 2018 5:40 pm

by plagoutte » Wed Apr 18, 2018 5:40 pm

Hello world,

I'm hosting a Zimbra Collaboration server on my virtual server. Today, my host send me an email to tell me that my server reached 90...

0 Replies

50 Views

Last post by plagoutte View the latest post
Wed Apr 18, 2018 5:40 pm
use http has cookie issue after change web proxy mode to both

Last post by daniele.antolini « Wed Apr 18, 2018 2:41 pm
Replies: 2
by alexchenx » Thu Dec 21, 2017 2:38 am

Because of some network issue by my government, I can't access my mail server by https now, so I want to change proxy mode to only http or both, when...

2 Replies

197 Views

Last post by daniele.antolini View the latest post
Wed Apr 18, 2018 2:41 pm
Stopping zimlet webapp... takes 10-15 minutes

Last post by PaperAdvocate « Wed Apr 18, 2018 6:03 am
Replies: 2
by PaperAdvocate » Wed Dec 06, 2017 1:07 am

When shutting Zimbra down either via a system reboot or "zmcontrol stop", the process hangs at "stopping zimlet webapp" for 10-15...

2 Replies

351 Views

Last post by PaperAdvocate View the latest post
Wed Apr 18, 2018 6:03 am
Compress Blobs

Last post by racerock « Wed Apr 18, 2018 5:46 am

by racerock » Wed Apr 18, 2018 5:46 am

Simple question,,

1) Compress Blobs in Volumes, is it supported in OSE version of Zimbra ?
Its in the Gui,and can be toggled on ...
I looked at...

0 Replies

74 Views

Last post by racerock View the latest post
Wed Apr 18, 2018 5:46 am
Are there any additional options for spam prevention?

Last post by ccelis5215 « Tue Apr 17, 2018 9:49 pm
Replies: 4
by amnesia » Mon Apr 16, 2018 4:36 pm

I've read and implemented everything listed in the wiki here:

I am still getting a lot of very obvious spam. I never get spam on Gmail, my...

4 Replies

320 Views

Last post by ccelis5215 View the latest post
Tue Apr 17, 2018 9:49 pm
SMTP Relay for particular ip's

Last post by akshaymau « Tue Apr 17, 2018 8:55 pm
Replies: 9
by DMRDave » Fri Mar 10, 2006 1:52 pm

Hi. I'm trying to allow smtp relay for one ip address. I've edited the main.cf file in /opt/zimbra/postfix/conf. Once i add the ip to...

9 Replies

952 Views

Last post by akshaymau View the latest post
Tue Apr 17, 2018 8:55 pm
Two problems after 8.8.8 patch1

Last post by mantykora « Tue Apr 17, 2018 3:30 pm
Replies: 20
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Attachment(s) by mantykora » Mon Apr 16, 2018 7:30 am

Hi,

We have OSE Zimbra 8.8.8 and after installation of patch1 we have two problems:

1st - there is no possibility to print email from email list...
20 Replies

1255 Views

Last post by mantykora View the latest post
Tue Apr 17, 2018 3:30 pm
Noob question on hosts file

Last post by opsystem « Tue Apr 17, 2018 11:08 am
Replies: 2
by opsystem » Fri Apr 06, 2018 2:55 pm

Hi all,

I know that every installation (with or without split DNS) should have these entries in /etc/hosts file:

127.0.0.1...

2 Replies

280 Views

Last post by opsystem View the latest post
Tue Apr 17, 2018 11:08 am
Cannot run program

Last post by opsystem « Tue Apr 17, 2018 10:56 am
Replies: 15
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by anderson.deda » Thu Aug 11, 2016 3:10 pm

Hello guys.
I'm new here and sorry if I am posting in the wrong area.
The reason for my post here refers to an error I am checking when I monitor the...
15 Replies

3697 Views

Last post by opsystem View the latest post
Tue Apr 17, 2018 10:56 am
Delay warning message

Last post by mamutz « Tue Apr 17, 2018 6:26 am
Replies: 7
by mamutz » Wed Apr 04, 2018 7:27 am

Hi guys,

I want my users to receive an email every time a message is delayed. So I configured the delay_warning_time to 1h in main.cf in postfix....

7 Replies

583 Views

Last post by mamutz View the latest post
Tue Apr 17, 2018 6:26 am

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