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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

51076 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

181198 Views

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

Topics

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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

2316 Views

Last post by qmoataz View the latest post
Tue Nov 13, 2018 9:39 am
A Grafana Dashboard for Zimbra Collaboration

Last post by qmoataz « Tue Nov 13, 2018 9:22 am
Replies: 65
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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,...
65 Replies

29823 Views

Last post by qmoataz View the latest post
Tue Nov 13, 2018 9:22 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

49142 Views

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

5817 Views

Last post by jepy View the latest post
Thu Oct 11, 2018 7:17 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

7605 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

5807 Views

Last post by jorgedlcruz View the latest post
Sun Sep 10, 2017 10:14 am
Sizing of innodb_buffer_pool_size

Last post by Klug « Sat Nov 17, 2018 11:01 am
Replies: 4
by pup_seba » Sun Nov 11, 2018 10:17 am

Hi,

I usually configure innodb_buffer_pool_size as the result of what `du -sh /opt/zimbra/db/data`.
For example:
du -sh /opt/zimbra/db/data
9.6 GB...

4 Replies

390 Views

Last post by Klug View the latest post
Sat Nov 17, 2018 11:01 am
Sync Your Gmail and Zimbra Calendars ?

Last post by maciunio2 « Fri Nov 16, 2018 11:37 am

by maciunio2 » Fri Nov 16, 2018 11:37 am

Hi
after reading this post some people came to the same error I have :
ERROR: account.INVALID_ATTR_NAME (invalid attr name: invalid attr...

0 Replies

186 Views

Last post by maciunio2 View the latest post
Fri Nov 16, 2018 11:37 am
DAV access denied since upgrade from 8.6 to 8.8.6 (@-sign Encoding error)

Last post by fakamaka « Fri Nov 16, 2018 11:23 am
Replies: 7
by janjan » Mon Jan 29, 2018 2:28 pm

Hello,

since upgrading Zimbra from 8.6 to 8.8.6 something with the dav access changed and we can no longer use the iOS App "2Do".
After...

7 Replies

924 Views

Last post by fakamaka View the latest post
Fri Nov 16, 2018 11:23 am
ZCS 8.8.10 Documents problem

Last post by WindlePoons « Fri Nov 16, 2018 10:34 am
Replies: 1
by j-c.ben » Fri Oct 12, 2018 9:55 am

Hi
When i upgrade from 8.8.9 to 8.8.10 Zimbra-Docs stops working

I get only this on my mailbox.log :
2018-10-12 11:31:11,975 INFO [] extensions -...

1 Replies

285 Views

Last post by WindlePoons View the latest post
Fri Nov 16, 2018 10:34 am
How to configure policyd on Zimbra 8.8.8 or 8.8.9

Last post by tshetum « Fri Nov 16, 2018 3:54 am
Replies: 2
by tshetum » Wed Nov 14, 2018 3:26 am

I have enabled policyd on zimbra 8.8.8 but all emails are rejected even within domains and I don't find any tables under cbpolicyd.sqlitedb. Please...

2 Replies

212 Views

Last post by tshetum View the latest post
Fri Nov 16, 2018 3:54 am
Reset Configuration

Last post by abamkacamata « Fri Nov 16, 2018 3:53 am
Replies: 3
by abamkacamata » Thu Nov 15, 2018 3:45 am

Hello

Is it possible for me to reset all the changes I did and revert back to original configuration just like it was freshly installed but without...

3 Replies

263 Views

Last post by abamkacamata View the latest post
Fri Nov 16, 2018 3:53 am
WebClient 5xx errors

Last post by L. Mark Stone « Fri Nov 16, 2018 2:25 am
Replies: 1
by CPC954 » Thu Nov 15, 2018 10:14 pm

Hi guys,

I have an issue that is already documented but the solution its not working for me unfurtunatley

Basically on the webclient i'm receiving...

1 Replies

104 Views

Last post by L. Mark Stone View the latest post
Fri Nov 16, 2018 2:25 am
zmcontrol not command not found

Last post by patrickwilson82 « Thu Nov 15, 2018 9:56 pm
Replies: 7
by patrickwilson82 » Thu Nov 15, 2018 7:59 pm

Hello,

I recently set up a new Zimbra server on Open Source, that's not active to the external world, but is being used to store archived accounts...

7 Replies

177 Views

Last post by patrickwilson82 View the latest post
Thu Nov 15, 2018 9:56 pm
Blank email with no header cannot be deleted andreappears

Last post by Zenbr01 « Thu Nov 15, 2018 4:26 pm
Replies: 7
by Zenbr01 » Tue Nov 13, 2018 11:05 pm

I have two completely blank emails coming back to an Outlook profile from the Zimbra server.

They go to the Junk folder.
They are totally blank,...

7 Replies

272 Views

Last post by Zenbr01 View the latest post
Thu Nov 15, 2018 4:26 pm
Limit shipments

Last post by pup_seba « Thu Nov 15, 2018 3:25 pm
Replies: 8
by ALP » Wed Nov 14, 2018 1:32 pm

Hello, I need to limit the amount of shipments per user per day. In what way could I do it? I do not have the possibility to implement cbpolicyd....

8 Replies

163 Views

Last post by pup_seba View the latest post
Thu Nov 15, 2018 3:25 pm
Zimbra Network Service error

Last post by DualBoot « Thu Nov 15, 2018 1:17 pm
Replies: 7
Attachment(s) by qmoataz » Mon Nov 12, 2018 7:21 am

Hello,,
I have problem when we reply to emails from outside our netwrok using any browsers from pc
At the same time no problem when i using mobile...

7 Replies

293 Views

Last post by DualBoot View the latest post
Thu Nov 15, 2018 1:17 pm
Restore a crashed dedicated server on a new dedicated

Last post by axslingr « Thu Nov 15, 2018 12:47 pm
Replies: 1
by WolwX » Thu Nov 15, 2018 12:24 pm

Hello,

I had a problem with my actual dedicated server, I can only access file but not launch de OS so I can't access Zimbra Admin Consol to do...

1 Replies

64 Views

Last post by axslingr View the latest post
Thu Nov 15, 2018 12:47 pm
Block SPAM email from new domains?

Last post by keynet « Thu Nov 15, 2018 9:46 am
Replies: 2
by keynet » Wed Nov 14, 2018 1:28 pm

A recent problem seems to be caused by domains maliciously registered very recently, looking very similar to real online banking domains, often...

2 Replies

86 Views

Last post by keynet View the latest post
Thu Nov 15, 2018 9:46 am
I wonder

Last post by phoenix « Thu Nov 15, 2018 9:12 am
Replies: 1
by gusdka0330 » Thu Nov 15, 2018 5:54 am

I am using open source from Zimbra.

I wonder if there are restrictions or user limits on open source.

1 Replies

56 Views

Last post by phoenix View the latest post
Thu Nov 15, 2018 9:12 am
recent increase in bad header quarantine emails

Last post by msmcknight « Thu Nov 15, 2018 7:10 am

by msmcknight » Thu Nov 15, 2018 7:10 am

Hello Everyone,

Within the past couple of weeks I have started getting a lot of emails directed to quarantine because of bad headers. In particular,...

0 Replies

74 Views

Last post by msmcknight View the latest post
Thu Nov 15, 2018 7:10 am
if I do not want some users in zimbra to receive mail from abroad, but if they post from their own domain

Last post by msaunevale « Wed Nov 14, 2018 11:29 pm

by msaunevale » Wed Nov 14, 2018 11:29 pm

Hello everyone, if I do not want some users in zimbra to receive mail from abroad, but if they post from their own domain.

In what part of the...

0 Replies

130 Views

Last post by msaunevale View the latest post
Wed Nov 14, 2018 11:29 pm
Admin UI alternative to Flash for Monitoring?

Last post by Patrick Moeller « Wed Nov 14, 2018 10:17 pm
Replies: 7
by RogerTennet » Wed Dec 31, 2014 10:12 am

In the Zimbra Admin UI - Monitor section it says

"Adobe Flash is required to view charts"

As big of a security problem as Flash is...

7 Replies

971 Views

Last post by Patrick Moeller View the latest post
Wed Nov 14, 2018 10:17 pm
Simple program to report successful/fail ip logins and sorted by count

Last post by JDunphy « Wed Nov 14, 2018 10:01 pm
Replies: 28
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by JDunphy » Sat Jan 28, 2017 12:17 am

In case anyone wants to track ip's with user login and the counts by ip. I use it to look for compromised accounts or ones that will be soon. ;-)...
28 Replies

2976 Views

Last post by JDunphy View the latest post
Wed Nov 14, 2018 10:01 pm
Error code: CSFE_SVC_ERROR

Last post by DavidMerrill « Wed Nov 14, 2018 9:03 pm
Replies: 4
by MisterM74 » Fri Jun 08, 2018 8:39 am

Hello
I have this error message, when I go to my admin zone:

Critical
Server error encountered
Error code: CSFE_SVC_ERROR Method:...

4 Replies

502 Views

Last post by DavidMerrill View the latest post
Wed Nov 14, 2018 9:03 pm

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