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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

71999 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 « Tue Nov 13, 2018 4:46 pm
Replies: 179
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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...
179 Replies

245462 Views

Last post by phoenix View the latest post
Tue Nov 13, 2018 4:46 pm

Topics

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Zimbra OSS users: Your help is needed to improve security

Last post by phoenix « Thu Feb 07, 2019 6:26 pm

by phoenix » Thu Feb 07, 2019 6:26 pm

Currently only the NE version of Zimbra is the only one to have 2FA, the OSS version is left out in the cold (as usual, IMO).

If you would like to...

0 Replies

223 Views

Last post by phoenix View the latest post
Thu Feb 07, 2019 6:26 pm
STARTTLS everywhere

Last post by spoole « Sat Feb 02, 2019 4:03 am
Replies: 6
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...

6 Replies

3864 Views

Last post by spoole View the latest post
Sat Feb 02, 2019 4:03 am
certbot-zimbra v0.2

Last post by maxxer « Fri Feb 01, 2019 6:14 pm
Replies: 3
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....

3 Replies

7180 Views

Last post by maxxer View the latest post
Fri Feb 01, 2019 6:14 pm
Another Letsencrypt method

Last post by JDunphy « Thu Jan 31, 2019 3:50 pm
Replies: 91
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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...
91 Replies

58739 Views

Last post by JDunphy View the latest post
Thu Jan 31, 2019 3:50 pm
How to monitor Zimbra using pflogsumm and NET-SNMP-EXTEND

Last post by jepy « Wed Jan 23, 2019 3:10 am
Replies: 6
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...

6 Replies

8816 Views

Last post by jepy View the latest post
Wed Jan 23, 2019 3:10 am
A Grafana Dashboard for Zimbra Collaboration

Last post by jasggomes « Mon Nov 26, 2018 11:17 am
Replies: 66
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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,...
66 Replies

36580 Views

Last post by jasggomes View the latest post
Mon Nov 26, 2018 11:17 am
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

9372 Views

Last post by PiJToo View the latest post
Wed Jul 25, 2018 4:00 pm
false positive

Last post by adamf663 « Sat Feb 16, 2019 6:26 pm
Replies: 10
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by pattonb » Thu Oct 12, 2017 5:12 pm

Am seeing "false positives" in zimbra.log ".....50 4.7.25 Client host rejected: cannot find your hostname....." , Am wondering...
10 Replies

1348 Views

Last post by adamf663 View the latest post
Sat Feb 16, 2019 6:26 pm
Ajax UI fails in Edge, works in Chrome, all users

Last post by Jordack « Sat Feb 16, 2019 3:38 pm
Replies: 5
by Matt Drown » Mon Feb 11, 2019 3:34 am

A few patches back (couple months), I upgraded and noticed that Edge AJAX ui stopped working. I figured it would clean up with another patch, which...

5 Replies

567 Views

Last post by Jordack View the latest post
Sat Feb 16, 2019 3:38 pm
no mail from cron

Last post by Jordack « Sat Feb 16, 2019 3:33 pm
Replies: 3
by jamma » Mon Jan 21, 2019 7:43 pm

Hi there,

I've set up a Zimbra server for a local initiative. We're quite pleased with it.

I've also set up a backup script and noticed that I'm...

3 Replies

403 Views

Last post by Jordack View the latest post
Sat Feb 16, 2019 3:33 pm
Block outgoing email by content?

Last post by Jordack « Sat Feb 16, 2019 3:31 pm
Replies: 1
by gimecoffee » Mon Feb 11, 2019 8:37 pm

I understand there are some firewalls that can inspect emails and block/reject based on content. I'm thinking specifically about blocking OUTGOING...

1 Replies

222 Views

Last post by Jordack View the latest post
Sat Feb 16, 2019 3:31 pm
Tip: I wrote a script showing an accounts folders and size

Last post by PhilipG « Sat Feb 16, 2019 2:47 pm
Replies: 2
by PhilipG » Mon Feb 11, 2019 12:56 pm

I wrote this a while ago, maybe others may have use of it:

2 Replies

154 Views

Last post by PhilipG View the latest post
Sat Feb 16, 2019 2:47 pm
unknown document: ZxChatRequest popup on webmail

Last post by alebeta « Sat Feb 16, 2019 1:13 pm
Replies: 4
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....

4 Replies

2524 Views

Last post by alebeta View the latest post
Sat Feb 16, 2019 1:13 pm
system failure: getting database connection

Last post by alebeta « Sat Feb 16, 2019 12:57 pm
Replies: 3
by alebeta » Fri Feb 15, 2019 8:16 pm

Hello friends,

I have few months having issues with my zimbra after upgrading. So far everyday I get a 504 HTTP error and I need to fully restart...

3 Replies

270 Views

Last post by alebeta View the latest post
Sat Feb 16, 2019 12:57 pm
Unable to display mail causing 100% CPU utilization

Last post by fallucch « Fri Feb 15, 2019 4:54 pm
Replies: 2
by fallucch » Fri Feb 08, 2019 4:43 pm

Hello all,

I have a problem to display all email come from only one user and causing the 100% CPU utilization.
I installed the Patch 2 of 8.8.11...

2 Replies

386 Views

Last post by fallucch View the latest post
Fri Feb 15, 2019 4:54 pm
Administrator rights logs

Last post by Marcosebas « Fri Feb 15, 2019 4:42 pm

by Marcosebas » Fri Feb 15, 2019 4:42 pm

Dear All,

I have the following question and would like if anyone would help to know if I can get this info.

We had 3 accounts with administrator...

0 Replies

186 Views

Last post by Marcosebas View the latest post
Fri Feb 15, 2019 4:42 pm
Proxy service fails to start

Last post by desi « Fri Feb 15, 2019 12:04 pm
Replies: 3
by desi » Thu Feb 07, 2019 7:08 pm

Hi Guys:

We just upgraded from Zimbra 8.7.1 on Ubuntu 12 to 8.8.11 on Ubuntu 16 a few weeks ago.

All went well except a few days after we started...

3 Replies

653 Views

Last post by desi View the latest post
Fri Feb 15, 2019 12:04 pm
[v8.8.11_GA_FOSS] Problem with DMARC_FAIL_REJECT from different mailserver in own DMZ

Last post by luca_2186 « Fri Feb 15, 2019 11:23 am
Replies: 6
by zcs8user » Thu Jan 31, 2019 8:47 pm

Hi to all of you,

recently (2018 december) I set up a new Zimbra mail server on Ubuntu 16.04 x64 as an ESXi guest.
Everything is working fine,...

6 Replies

654 Views

Last post by luca_2186 View the latest post
Fri Feb 15, 2019 11:23 am
ACL tab not visible

Last post by DualBoot « Fri Feb 15, 2019 10:01 am
Replies: 2
by floriantraun » Wed Apr 04, 2018 1:49 pm

Hi,

I just freshly installed and configured Zimbra. Unfortunately the ACL tab is not visible (neither in Global Settings, Distributions lists nor...

2 Replies

432 Views

Last post by DualBoot View the latest post
Fri Feb 15, 2019 10:01 am
CentOS new kernel

Last post by phoenix « Fri Feb 15, 2019 6:42 am
Replies: 1
by 181874 » Fri Feb 15, 2019 5:55 am

Dear community,

I am using Zimbra OSE now for 2 year - always the newest version - installed on a CentOS 7 vSphere VM.
Yesterday I tried to update...

1 Replies

175 Views

Last post by phoenix View the latest post
Fri Feb 15, 2019 6:42 am
domainkey selector too long?

Last post by luca_2186 « Thu Feb 14, 2019 3:24 pm
Replies: 6
by luca_2186 » Wed Feb 13, 2019 3:48 pm

I have an odd problem with my zimbra mail server.
I run Zimbra 8.8.9 colaboration on Ubuntu server 16.04.
I have noticed that the dkim validation of...

6 Replies

380 Views

Last post by luca_2186 View the latest post
Thu Feb 14, 2019 3:24 pm
Another service.PROXY_ERROR HTTP/1.1 503 Service Unavailable Issue

Last post by stevekk « Thu Feb 14, 2019 8:52 am
Replies: 7
by stevekk » Fri Feb 08, 2019 7:58 pm

There appear to be a number of threads about this problem but so far I haven't found one that solves my issue.

I have a single CentOS 7 server...

7 Replies

642 Views

Last post by stevekk View the latest post
Thu Feb 14, 2019 8:52 am
serious sasl username bug on 8.8.7

Last post by DualBoot « Thu Feb 14, 2019 8:23 am
Replies: 1
by lvhannan » Thu Feb 14, 2019 2:04 am

i find a serious problem about sender mismatch .for examplem, my domain is lv.com. i telnet my mail server using a fake user aa@yahoo.com send a...

1 Replies

180 Views

Last post by DualBoot View the latest post
Thu Feb 14, 2019 8:23 am
Distribution list permission issue: allow sending by list members plus others

Last post by jamma « Wed Feb 13, 2019 9:37 pm

by jamma » Wed Feb 13, 2019 9:37 pm

Hello evrybody!

I want to configure a distribution list with limited permission to send to the list. I want any list members (it contains internal...

0 Replies

80 Views

Last post by jamma View the latest post
Wed Feb 13, 2019 9:37 pm
Complete Back up Solution(s) - Zimbra 8.5

Last post by brewermoe « Wed Feb 13, 2019 9:04 pm
Replies: 2
by brewermoe » Tue Feb 12, 2019 9:59 pm

Hello everyone,

My apologies if I missed this somewhere, I am new to this forum. (and if I am posting in the correct section)

I am looking to back...

2 Replies

186 Views

Last post by brewermoe View the latest post
Wed Feb 13, 2019 9:04 pm

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