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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

46521 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 sangamc « Tue Sep 18, 2018 1:58 pm
Replies: 160
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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...
160 Replies

165504 Views

Last post by sangamc View the latest post
Tue Sep 18, 2018 1:58 pm

Topics

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How to monitor Zimbra using pflogsumm and NET-SNMP-EXTEND

Last post by jepy « Thu Oct 11, 2018 7:17 am
Replies: 4
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...

4 Replies

5441 Views

Last post by jepy View the latest post
Thu Oct 11, 2018 7:17 am
A Grafana Dashboard for Zimbra Collaboration

Last post by jackyho « Fri Sep 28, 2018 10:35 am
Replies: 63
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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,...
63 Replies

27670 Views

Last post by jackyho View the latest post
Fri Sep 28, 2018 10:35 am
Another Letsencrypt method

Last post by seidler « Sun Sep 16, 2018 6:21 pm
Replies: 89
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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...
89 Replies

46661 Views

Last post by seidler View the latest post
Sun Sep 16, 2018 6:21 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

2040 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

7190 Views

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

5477 Views

Last post by jorgedlcruz View the latest post
Sun Sep 10, 2017 10:14 am
Can't open attached emails

Last post by Ace Suares « Tue Oct 23, 2018 10:59 am

by Ace Suares » Tue Oct 23, 2018 10:59 am

When receiving an email with some included (attached) emails (most of the time in 'htm' format), zimbra is unable to open these emails.
A new window...

0 Replies

1 Views

Last post by Ace Suares View the latest post
Tue Oct 23, 2018 10:59 am
Postfix double-bounce and fqdn

Last post by vavai « Tue Oct 23, 2018 10:42 am
Replies: 1
by richExt » Tue Oct 23, 2018 5:25 am

Hi

Setting up our 8.8.9 zimbra server, we are having our mail queue filling up with double-bounce mails to postmaster.
Our problem looks very much...

1 Replies

57 Views

Last post by vavai View the latest post
Tue Oct 23, 2018 10:42 am
Ubuntu 14.04 - 8.7.4 imapS issue after upgrade.

Last post by einsibjani « Tue Oct 23, 2018 10:01 am
Replies: 15
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by Robstarusa » Sun Mar 12, 2017 4:04 pm

When I was running 8.6.0 (OSS) I was certified A on the Qualsys SSL check. After upgrading, I had DH ciphers & other settings reverted to enabled...
15 Replies

2495 Views

Last post by einsibjani View the latest post
Tue Oct 23, 2018 10:01 am
Problem of agenda incoherence in the agenda

Last post by fs.schmidt « Tue Oct 23, 2018 3:14 am
Replies: 3
by oliveira.taquari » Sun Oct 21, 2018 4:19 am

I'm still using Zimbra version 7.1 with Centos version 5 (64 bit).
Soon I will update everything, but first, I wanted to solve the following:
There...

3 Replies

337 Views

Last post by fs.schmidt View the latest post
Tue Oct 23, 2018 3:14 am
Cant shake bruteforce monkey

Last post by copowpow « Tue Oct 23, 2018 12:52 am
Replies: 7
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...

7 Replies

702 Views

Last post by copowpow View the latest post
Tue Oct 23, 2018 12:52 am
Contacts - File As - change default

Last post by DualBoot « Mon Oct 22, 2018 2:12 pm
Replies: 1
by ivica.glavocic » Fri Oct 19, 2018 2:17 pm

Hi all

By default, when creating new contact, File As is set to "Last, First"
How can I change order to "First, Last" for all...

1 Replies

174 Views

Last post by DualBoot View the latest post
Mon Oct 22, 2018 2:12 pm
erratic behaviour of our Zimbra 8.8.9

Last post by phoenix « Mon Oct 22, 2018 1:26 pm
Replies: 9
by richCasud » Thu Oct 18, 2018 10:22 am

Hello

We are experiencing difficulties with our new Zimbra Server

Most of the emails coming from outside our domain are bouncing
Some of our email...

9 Replies

366 Views

Last post by phoenix View the latest post
Mon Oct 22, 2018 1:26 pm
Error in sending email

Last post by DualBoot « Mon Oct 22, 2018 12:28 pm
Replies: 2
by mmi » Mon Oct 22, 2018 9:28 am

Hello,

I tried to send an email to 60 contacts with an attachment and I receive the following error.

said: 400 Unexpected long headers length, got:...

2 Replies

89 Views

Last post by DualBoot View the latest post
Mon Oct 22, 2018 12:28 pm
Do not give up on external POP3 account after connection failure

Last post by opsystem « Sun Oct 21, 2018 2:45 pm

by opsystem » Sun Oct 21, 2018 2:45 pm

Hi all!

As title says, I added an external POP3 source to an account on my 8.7 CE installation. Everything runs fine, until the POP3 server...

0 Replies

366 Views

Last post by opsystem View the latest post
Sun Oct 21, 2018 2:45 pm
Zimbra 8.8.9 and Cbpolicyd

Last post by phoenix « Sun Oct 21, 2018 11:27 am
Replies: 10
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by fs.schmidt » Sun Sep 02, 2018 1:53 am

Hello,

We are implementing Cbpolicyd with Zimbra 8.8.9 and we are facing some issues with the message counting behaviour.

- We have noticed that...
10 Replies

1581 Views

Last post by phoenix View the latest post
Sun Oct 21, 2018 11:27 am
Zimbra Backup

Last post by muaazelkamali « Sun Oct 21, 2018 7:59 am
Replies: 7
by muaazelkamali » Sun Oct 14, 2018 3:01 pm

Hi All,

I have installed ZCS 8.8.9 and I want to configure the backup but I didn't found the backup option and I don't know from to start. I didn't...

7 Replies

1052 Views

Last post by muaazelkamali View the latest post
Sun Oct 21, 2018 7:59 am
Allow specific user to send mail to dl

Last post by shakesh « Sun Oct 21, 2018 5:59 am

by shakesh » Sun Oct 21, 2018 5:59 am

Dear all,

I am using zimbra 8.6 and i have one dl which has specific user allowed to send mail to it, now i want to add user of different domain(...

0 Replies

219 Views

Last post by shakesh View the latest post
Sun Oct 21, 2018 5:59 am
Automatic configuration for iOS devices

Last post by Krishopper « Sun Oct 21, 2018 1:35 am

by Krishopper » Sun Oct 21, 2018 1:35 am

I'm excited to check out the new automatic iOS configuration feature in 8.8.9, so I upgraded to 8.8.10.

I cannot find any documentation on how to...

0 Replies

157 Views

Last post by Krishopper View the latest post
Sun Oct 21, 2018 1:35 am
Imaps connectivity problem

Last post by Martinwiertz « Sat Oct 20, 2018 4:23 pm
Replies: 4
by Martinwiertz » Fri Oct 19, 2018 9:14 pm

Hi,

Last days I migrated my FOSS server to new hardware. Zimbra Suite Plus did it for me.
My new server version: Release 8.8.9.GA.3019.UBUNTU16.64...

4 Replies

461 Views

Last post by Martinwiertz View the latest post
Sat Oct 20, 2018 4:23 pm
sendas & file in briefcase permission issue

Last post by pup_seba « Fri Oct 19, 2018 4:07 pm

by pup_seba » Fri Oct 19, 2018 4:07 pm

Hi,

So I'm facing this weird problem where a user1@domain.com delegates sendAs and sendOnBehalfOf to delegate1@domain.com .

delegate1@domain.com...

0 Replies

366 Views

Last post by pup_seba View the latest post
Fri Oct 19, 2018 4:07 pm
Automatic mount of address book and calendar

Last post by ivica.glavocic « Fri Oct 19, 2018 2:56 pm

by ivica.glavocic » Fri Oct 19, 2018 2:56 pm

Hi all

Is it possible for every new user to have automatically mounted address book and calendar shared from one specific user?

I have script which...

0 Replies

364 Views

Last post by ivica.glavocic View the latest post
Fri Oct 19, 2018 2:56 pm
Original IP in webmail logins

Last post by phoenix « Fri Oct 19, 2018 9:04 am
Replies: 3
by armitage318 » Thu Oct 18, 2018 4:40 pm

Hi,
I use ZCS 8.8.7
I just noticed that for webmail logins I don't have "real ip" of end users (just the local Zimbra address, let's say...

3 Replies

232 Views

Last post by phoenix View the latest post
Fri Oct 19, 2018 9:04 am
ZCS 8.8.10 High cpu useage

Last post by vavai « Fri Oct 19, 2018 3:58 am
Replies: 1
Attachment(s) by maddogmotahiti » Thu Oct 18, 2018 7:53 pm

We have an ongoing issue with our Zimbra since upgrade to 8.8.10

Every day we experienced serious issue with Zimbra being very slow for several...

1 Replies

245 Views

Last post by vavai View the latest post
Fri Oct 19, 2018 3:58 am
[SOLVED] Shared address book - auto complete does not work

Last post by phoenix « Thu Oct 18, 2018 3:19 pm
Replies: 2
by ivica.glavocic » Mon Oct 15, 2018 9:21 am

Hi all

When I share address book as read only with members of distribution list, autocomplete of addresses from that shared AB does not work until I...

2 Replies

443 Views

Last post by phoenix View the latest post
Thu Oct 18, 2018 3:19 pm

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