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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

207689 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 MisterM_74 « Sun Dec 29, 2019 4:56 pm
Replies: 188
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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...
188 Replies

660598 Views

Last post by MisterM_74 View the latest post
Sun Dec 29, 2019 4:56 pm

Topics

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CVE-2019-9670 being actively exploited

Last post by apiening « Tue Jan 07, 2020 7:40 pm
Replies: 241
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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...
241 Replies

180805 Views

Last post by apiening View the latest post
Tue Jan 07, 2020 7:40 pm
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

89227 Views

Last post by bdardy View the latest post
Fri Nov 22, 2019 10:43 am
How to monitor Zimbra using pflogsumm and NET-SNMP-EXTEND

Last post by tonyg « Thu Nov 07, 2019 9:13 pm
Replies: 7
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...

7 Replies

19864 Views

Last post by tonyg View the latest post
Thu Nov 07, 2019 9:13 pm
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

18146 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

13429 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

133894 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

23914 Views

Last post by davidkillingsworth View the latest post
Thu May 30, 2019 12:12 pm
Migration from Ubuntu 12.04/Zimbra 8.0.7 to Ubuntu 18.04/Zimbra 8.8.15

Last post by JoeAshley « Sat Jan 25, 2020 7:15 pm

by JoeAshley » Sat Jan 25, 2020 7:15 pm

As you can tell from the title I have been using Zimbra and Zextra a long time. I currently am using Zextra 2.14 and have already re-licensed Zextra...

0 Replies

46 Views

Last post by JoeAshley View the latest post
Sat Jan 25, 2020 7:15 pm
JAVA using 100% CPU

Last post by koalainc « Sat Jan 25, 2020 6:08 pm
Replies: 1
by koalainc » Sat Jan 25, 2020 2:31 pm

Hi,

I am running the latest version of ZCS on Centos 7 (upgraded & patched on the 16th of this month) and since the 21th (it started outside of...

1 Replies

178 Views

Last post by koalainc View the latest post
Sat Jan 25, 2020 6:08 pm
How to Backup zimbra server

Last post by phoenix « Sat Jan 25, 2020 4:28 pm
Replies: 1
by lokesh.v » Sat Jan 25, 2020 8:29 am

Hi Team,
Any solution found for taking the backup and restore of Zimbra new version.
Thanks,
Lokesh.V

1 Replies

120 Views

Last post by phoenix View the latest post
Sat Jan 25, 2020 4:28 pm
Client host rejected

Last post by illydone « Sat Jan 25, 2020 9:37 am
Replies: 1
by Jhonmicky » Fri Jan 24, 2020 7:10 pm

ood, first sorry for my english, install zimbra on unbutu server 16.04 I can cover emails both locally and from hostmail, gmail, but when want to...

1 Replies

355 Views

Last post by illydone View the latest post
Sat Jan 25, 2020 9:37 am
Broken 8.6 install

Last post by illydone « Sat Jan 25, 2020 8:40 am
Replies: 2
by illydone » Fri Jan 24, 2020 2:26 pm

Hello

Till yesterday I had a fully functional hosted zimbra server. It was a custom install, Ubuntu 14.04, ZCS 8.6.0.

Thanks to my provider who...

2 Replies

234 Views

Last post by illydone View the latest post
Sat Jan 25, 2020 8:40 am
Right way to add option for new transport

Last post by L. Mark Stone « Fri Jan 24, 2020 6:43 pm
Replies: 2
by postfixlover » Fri Jan 24, 2020 12:55 pm

Hi all,
i'm new to zimbra but i'm using postfix since 1999.
I recently added to master.cf.in new transport to manage few slow-transport-rate...

2 Replies

271 Views

Last post by L. Mark Stone View the latest post
Fri Jan 24, 2020 6:43 pm
internal mail stucks in queue ...

Last post by DualBoot « Fri Jan 24, 2020 4:02 pm
Replies: 1
by krahni » Tue Jan 21, 2020 7:00 am

hi,
configured server with name zimbra.company.de, maildomain is company.de.
sending external is o.k., but when sending mail from user1@company.de to...

1 Replies

221 Views

Last post by DualBoot View the latest post
Fri Jan 24, 2020 4:02 pm
Can't attach some files in HTML Client

Last post by milanlesnikmb « Fri Jan 24, 2020 8:00 am
Replies: 19
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Attachment(s) by yeeP6rai » Fri Aug 23, 2019 11:46 am

I don't know did it before or after zimbra update from 8.7.11 to 8.8.15, but now I can't attach *.doc or *.odt files for example, but *.pdf I can...
19 Replies

5253 Views

Last post by milanlesnikmb View the latest post
Fri Jan 24, 2020 8:00 am
Intermittent connections on ALL ports

Last post by jduino « Thu Jan 23, 2020 3:29 pm
Replies: 1
by jduino » Tue Jan 21, 2020 10:10 pm

I'm running 8.8.15p6 on CentOS7 on a VC at Linode. Longtime installation, many upgrades. Recently I have intermittent periods where I cannot connect...

1 Replies

371 Views

Last post by jduino View the latest post
Thu Jan 23, 2020 3:29 pm
migrate from sles 8.6 to ubuntu 8.8.15

Last post by phoenix « Thu Jan 23, 2020 1:19 pm
Replies: 1
by iomari » Thu Jan 23, 2020 11:36 am

MIgrate Greetings,
What are the steps I need to upgrade form SLES ZCS 8.6 -> Ubuntu ZCS 8.8.15?
Is there a straight forward way to backup the SLES...

1 Replies

149 Views

Last post by phoenix View the latest post
Thu Jan 23, 2020 1:19 pm
Problem with Hyperlinks on Zimbra Webmail

Last post by kmeade « Thu Jan 23, 2020 1:06 pm
Replies: 1
by rafaelprado » Wed Jan 22, 2020 9:38 pm

Hi guys,

im having a problem with external links on body´s of html messages.
When i receive a link for example:

<a href=" FTP...

1 Replies

193 Views

Last post by kmeade View the latest post
Thu Jan 23, 2020 1:06 pm
Connection Timed Out / Possible hack

Last post by srdjan « Thu Jan 23, 2020 2:37 am

by srdjan » Thu Jan 23, 2020 2:37 am

Hi, we are experiencing strange behavior from Zimbra, since this morning we are getting connection timed out , from desktop client and from web GUI,...

0 Replies

165 Views

Last post by srdjan View the latest post
Thu Jan 23, 2020 2:37 am
virus detected, but not blocked

Last post by diegojk « Wed Jan 22, 2020 6:25 pm
Replies: 2
by sangamc » Sun Mar 17, 2019 10:36 am

Hello everyone,

I am having a strange issue with 2 of my zimbra servers. An email comes in with a virus. It shows in the log virus detected in...

2 Replies

716 Views

Last post by diegojk View the latest post
Wed Jan 22, 2020 6:25 pm
Admin message critical disk warning

Last post by phoenix « Wed Jan 22, 2020 5:55 pm
Replies: 1
by kdmiller45 » Wed Jan 22, 2020 5:38 pm

since the install I have been getting the following messages sent to admin mail box

6843:crit: Disk warning: justourmail.com: /snap/core/7270 on...

1 Replies

232 Views

Last post by phoenix View the latest post
Wed Jan 22, 2020 5:55 pm
Mail Unreadable - Chinese Fonts

Last post by Teampouce « Wed Jan 22, 2020 3:51 pm

by Teampouce » Wed Jan 22, 2020 3:51 pm

Dear All,

I'm facing a strange issue when users received email, they got sometine mail with unreadable font like chinese font, please find a short...

0 Replies

126 Views

Last post by Teampouce View the latest post
Wed Jan 22, 2020 3:51 pm
Restore Appointments from Deleted Calendar?

Last post by Lewis-H « Wed Jan 22, 2020 3:46 pm
Replies: 1
by guigsilva » Fri Jan 17, 2020 12:50 pm

Hello!

We have a mistake deleted Calendar (yes removed from the trash too) but the appointments from this caledar still on Calendar´s Trash. We...

1 Replies

664 Views

Last post by Lewis-H View the latest post
Wed Jan 22, 2020 3:46 pm
IMPORT .PST FILE

Last post by Lewis-H « Wed Jan 22, 2020 3:44 pm
Replies: 3
by clelandrm » Thu Jan 16, 2020 6:14 pm

Hi, I need to import a .pst file (backup mails outlook) to the zimbra online platform. Is there a way to do this? Sorry if it is not the right place...

3 Replies

724 Views

Last post by Lewis-H View the latest post
Wed Jan 22, 2020 3:44 pm
Mail Transport Unavailable for specific email

Last post by Teampouce « Wed Jan 22, 2020 10:38 am
Replies: 1
by Teampouce » Tue Jan 14, 2020 12:32 pm

Dear All,

I need your help to debug a curious problem that occur only on a specific email address.

Let say for confidentiality the email with the...

1 Replies

288 Views

Last post by Teampouce View the latest post
Wed Jan 22, 2020 10:38 am

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