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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

67921 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

232738 Views

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

Topics

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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

8211 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

34553 Views

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

Last post by qmoataz « Tue Nov 13, 2018 9:39 am
Replies: 4
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...

4 Replies

3274 Views

Last post by qmoataz View the latest post
Tue Nov 13, 2018 9:39 am
Another Letsencrypt method

Last post by JDunphy « Sun Nov 04, 2018 1:55 pm
Replies: 90
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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...
90 Replies

55677 Views

Last post by JDunphy View the latest post
Sun Nov 04, 2018 1:55 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

8801 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

6739 Views

Last post by jorgedlcruz View the latest post
Sun Sep 10, 2017 10:14 am
Hard reboot cause corrupted LDAP db.

Last post by ljramos « Wed Jan 23, 2019 2:42 pm
Replies: 2
by ljramos » Mon Jan 21, 2019 9:44 pm

Hi All.
After a hard reboot, zimbra services did not restart successfully.
Error in log file were:
Jan 21 09:54:43 mail slapd : mdb_db_open:...

2 Replies

592 Views

Last post by ljramos View the latest post
Wed Jan 23, 2019 2:42 pm
SMTP auth & DoS filter

Last post by xmana « Wed Jan 23, 2019 2:04 pm
Replies: 3
by rulezz » Wed Dec 05, 2018 9:08 am

Hello!

It seems repetitive smtp auth failures do not trigger DoS filter. I see lot of messages in my zimbra.log

Dec 4 12:34:17 mail...

3 Replies

251 Views

Last post by xmana View the latest post
Wed Jan 23, 2019 2:04 pm
DoS Filter and IMAP / POP3

Last post by xmana « Wed Jan 23, 2019 1:45 pm

by xmana » Wed Jan 23, 2019 1:45 pm

Good day!

There was a problem, I do not know in which direction to dig, tell me, who knows ...

First, a little configuration:

[zimbra@mail...

0 Replies

52 Views

Last post by xmana View the latest post
Wed Jan 23, 2019 1:45 pm
Errors in zmmailboxd.out java.io.IOException: Broken pipe

Last post by xmana « Wed Jan 23, 2019 10:35 am
Replies: 8
by lhfelice » Wed Apr 27, 2016 2:43 pm

Hi,

I am trying to understand what could be wrong with the errors I found in zmmailboxd.out, constantly I get:

2016-04-27...

8 Replies

3168 Views

Last post by xmana View the latest post
Wed Jan 23, 2019 10:35 am
Appointement Reminder of missing appointment

Last post by iBot « Wed Jan 23, 2019 10:15 am

by iBot » Wed Jan 23, 2019 10:15 am

Hello,
there is some strange behaviour at one of my users calendar going on. I have tried to find some glue on this at the forum but did not find...

0 Replies

44 Views

Last post by iBot View the latest post
Wed Jan 23, 2019 10:15 am
Allow attachment types for outgoing emails

Last post by XDimension « Tue Jan 22, 2019 11:56 am
Replies: 1
by 7224jobe » Fri Feb 17, 2017 1:02 pm

Hi, in our Zimbra 8.6 we blocked some potentially malicious extensions, like .js or .php. This setting correctly blocks many dangerous incoming...

1 Replies

898 Views

Last post by XDimension View the latest post
Tue Jan 22, 2019 11:56 am
EMAILS NOT SYNCING FOR MORE THAN 10 DAYS

Last post by noman@golpik.com « Tue Jan 22, 2019 11:02 am

by noman@golpik.com » Tue Jan 22, 2019 11:02 am

Hello,

There are some more than three to four months emails available on my zimbra email server and are showing in Zimbra Web App,But When i Sync...

0 Replies

5 Views

Last post by noman@golpik.com View the latest post
Tue Jan 22, 2019 11:02 am
High Availability Server Clustering

Last post by tplecko « Tue Jan 22, 2019 7:35 am
Replies: 4
by czanec » Thu Oct 18, 2018 11:10 am

Hi,

Is there anyway I can use two different DCs(It may have different public IP address), for HA clustering.

thank you,

4 Replies

305 Views

Last post by tplecko View the latest post
Tue Jan 22, 2019 7:35 am
Restore from completely broken installation

Last post by axslingr « Mon Jan 21, 2019 8:56 pm
Replies: 1
by empe » Mon Jan 21, 2019 6:35 am

Hi there,

last weekend I tried to dist upgrade my ubuntu 14.04 to 16.04 containing zcs 8.8.9. But unfortunately it failed and my installation is not...

1 Replies

763 Views

Last post by axslingr View the latest post
Mon Jan 21, 2019 8:56 pm
zmprov -s remote

Last post by mitch « Mon Jan 21, 2019 7:55 pm

by mitch » Mon Jan 21, 2019 7:55 pm

What level of access and firewall allow rules is required to run zmprov --server servername.zimbra.example -a adminuser@zimbra.example -P...

0 Replies

3 Views

Last post by mitch View the latest post
Mon Jan 21, 2019 7:55 pm
no mail from cron

Last post by jamma « Mon Jan 21, 2019 7:43 pm

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...

0 Replies

3 Views

Last post by jamma View the latest post
Mon Jan 21, 2019 7:43 pm
problem receiving incoming email with attachements

Last post by DualBoot « Mon Jan 21, 2019 8:36 am
Replies: 7
by Aidajafer » Mon Jan 14, 2019 5:36 pm

Hi all,
I am new to this forum, but I have been managing zimbra mail server for some time now.
I have this problem that i need help. The mail server...

7 Replies

1733 Views

Last post by DualBoot View the latest post
Mon Jan 21, 2019 8:36 am
Using zimbra reverse proxy to forward http to external host

Last post by McGregor « Sun Jan 20, 2019 2:42 pm
Replies: 9
by McGregor » Wed Oct 25, 2017 5:24 pm

Hi, I'm running Zimbra 8.7.11_GA_1854 over Ubuntu 16.04.

I would like to take advantage of my zimbra server being on a VPS without port restriction...

9 Replies

2299 Views

Last post by McGregor View the latest post
Sun Jan 20, 2019 2:42 pm
An unknown error has occurred - Webmail Login

Last post by kelvinsm « Sun Jan 20, 2019 12:59 am

Attachment(s) by kelvinsm » Sun Jan 20, 2019 12:59 am

Hi, im facing a problem login on webmail on my new installation of zimbra 8.8.10_GA_3716 on ubuntu 16.04, it installed without any errors, but when i...

0 Replies

1697 Views

Last post by kelvinsm View the latest post
Sun Jan 20, 2019 12:59 am
zmprov Scripting performance tips

Last post by keros01 « Sat Jan 19, 2019 2:41 pm
Replies: 4
by keros01 » Fri Jan 11, 2019 3:24 pm

Hi

I currently write a script for zimbra to get some informations from all accounts.
The script is realy small but takes forever because I can't...

4 Replies

1957 Views

Last post by keros01 View the latest post
Sat Jan 19, 2019 2:41 pm
Policyd wrong message count

Last post by imanudin11 « Sat Jan 19, 2019 2:36 pm
Replies: 4
by tobia1 » Fri Feb 26, 2016 12:06 pm

Hello
I have set up Policyd on ZCS 8.6 using the official Wiki page plus an addition of mine (using Zimbra's MySQL with InnoDB tables instead...

4 Replies

1435 Views

Last post by imanudin11 View the latest post
Sat Jan 19, 2019 2:36 pm
7073 port should be closed for internet?

Last post by lytledd « Sat Jan 19, 2019 2:29 pm
Replies: 1
by BharathS » Sat Jan 19, 2019 4:34 am

Hi Team,

I see some brute force attempts being made to my server through the zimbra soap port 7073, this port is open for internet from my zimbra...

1 Replies

627 Views

Last post by lytledd View the latest post
Sat Jan 19, 2019 2:29 pm
Connect zimbra to 3rd party Mailserver via Imap

Last post by Dufooy « Sat Jan 19, 2019 1:02 pm

by Dufooy » Sat Jan 19, 2019 1:02 pm

Hi,

we have or we use a synology mailstation to receive and send mails in case the mailstation is very flexible to configure them.
Now our Claims...

0 Replies

172 Views

Last post by Dufooy View the latest post
Sat Jan 19, 2019 1:02 pm
(zmstat) high CPU load after reboot

Last post by pgrzeda « Sat Jan 19, 2019 12:10 pm

by pgrzeda » Sat Jan 19, 2019 12:10 pm

Hello,

Zimbra version zcs-8.8.10_GA_3039.RHEL7_64.20180928094617.tar
CentOS Linux release 7.6.1810 (Core)

After each reboot of my VM with Zimbra...

0 Replies

101 Views

Last post by pgrzeda View the latest post
Sat Jan 19, 2019 12:10 pm

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