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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

35572 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 « Mon Jul 16, 2018 10:44 am
Replies: 155
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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...
155 Replies

132529 Views

Last post by phoenix View the latest post
Mon Jul 16, 2018 10:44 am

Topics

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Another Letsencrypt method

Last post by yvespires « Tue Aug 07, 2018 7:58 pm
Replies: 83
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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...
83 Replies

38895 Views

Last post by yvespires View the latest post
Tue Aug 07, 2018 7:58 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

1215 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

5844 Views

Last post by PiJToo View the latest post
Wed Jul 25, 2018 4:00 pm
A Grafana Dashboard for Zimbra Collaboration

Last post by mplaksin « Tue Jun 19, 2018 5:43 pm
Replies: 54
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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,...
54 Replies

22585 Views

Last post by mplaksin View the latest post
Tue Jun 19, 2018 5:43 pm
How to monitor Zimbra using pflogsumm and NET-SNMP-EXTEND

Last post by jorgedlcruz « Wed Dec 06, 2017 12:16 pm
Replies: 3
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...

3 Replies

4315 Views

Last post by jorgedlcruz View the latest post
Wed Dec 06, 2017 12:16 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

4413 Views

Last post by jorgedlcruz View the latest post
Sun Sep 10, 2017 10:14 am
Postfix Please try again later

Last post by marly « Sun Aug 19, 2018 12:56 am

by marly » Sun Aug 19, 2018 12:56 am

I have a Zimbra server and I was using one external spam filtering provider. I wanted to switch providers so I did.

The problem I’m running into is...

0 Replies

47 Views

Last post by marly View the latest post
Sun Aug 19, 2018 12:56 am
Updated: Ubuntu 14.04 kernel update 3.13.0-155 kills java/Zimbra (Not 8.8.9P3)

Last post by phoenix « Sat Aug 18, 2018 5:14 am
Replies: 3
by jered » Fri Aug 17, 2018 7:58 pm

Ignore this message and see the other thread that Bill links below.

--

WARNING: Do not install 8.8.9P3 on Ubuntu 14.04!

I just did so...

3 Replies

219 Views

Last post by phoenix View the latest post
Sat Aug 18, 2018 5:14 am
Zimbra & Linux Kernel 3.13.0-155 & Java...

Last post by Thinger « Fri Aug 17, 2018 2:32 pm
Replies: 5
by DavidMerrill » Thu Aug 16, 2018 12:59 pm

Anyone run into Zimbra/Java issues with the latest kernel update?

I think I’m running into what’s being reported here:

Not seeing any new...

5 Replies

304 Views

Last post by Thinger View the latest post
Fri Aug 17, 2018 2:32 pm
ZCS 8.8.9 Patch 3 is available

Last post by phoenix « Fri Aug 17, 2018 1:28 pm

by phoenix » Fri Aug 17, 2018 1:28 pm

A new patch has been released for ZCS 8.8.9:

I should mention that the notes tell you to run "yum install zimbra-patch" - that only works...

0 Replies

128 Views

Last post by phoenix View the latest post
Fri Aug 17, 2018 1:28 pm
Need to add multipal domain in my zimbra srv

Last post by qadir52786 « Fri Aug 17, 2018 5:54 am
Replies: 2
by qadir52786 » Sat Aug 11, 2018 6:10 am

Hello every one

I need help i want to add another domain in my mail server

right now it has been configure as .com and i also want to add .in...

2 Replies

258 Views

Last post by qadir52786 View the latest post
Fri Aug 17, 2018 5:54 am
After upgrade to 8.8.8 DNS-cache does not work when zimbra down

Last post by phoenix « Fri Aug 17, 2018 5:25 am
Replies: 14
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by Ace Suares » Wed Aug 15, 2018 12:11 pm

I discovered the following:
Since the upgrade from 8.7 to 8.8 the dns resolver doesn't work if zimbra is down.
At least, that is my assessment at the...
14 Replies

424 Views

Last post by phoenix View the latest post
Fri Aug 17, 2018 5:25 am
[SOLVED] NE licence expiry

Last post by phoenix « Thu Aug 16, 2018 5:27 pm
Replies: 3
by dik23 » Wed Aug 15, 2018 3:52 pm

Anyone here have any experience with NE licence expiry?

I'm aware that the server reverts to OS but how does this happen? Is it immediate, on the...

3 Replies

217 Views

Last post by phoenix View the latest post
Thu Aug 16, 2018 5:27 pm
Zimbra Storage

Last post by phoenix « Thu Aug 16, 2018 3:15 pm
Replies: 1
by sunil_ghimire » Thu Aug 16, 2018 1:33 pm

Have a 270 user zimbra server having issue with storage, memory now working in /swap...... zimbra is lagging its performance...
i am using a minimal...

1 Replies

77 Views

Last post by phoenix View the latest post
Thu Aug 16, 2018 3:15 pm
Allowing specific internal sender addresses through the MTA without a mailbox

Last post by MightyGorilla « Thu Aug 16, 2018 2:10 pm
Replies: 6
by MightyGorilla » Wed Jun 13, 2018 3:16 pm

I'll admit this feels like a really dumb question- and there may be a simple term for this concept, but I'm not aware of it, so my searches were...

6 Replies

429 Views

Last post by MightyGorilla View the latest post
Thu Aug 16, 2018 2:10 pm
How to release virus quarantined email

Last post by JoeKar « Thu Aug 16, 2018 1:29 pm
Replies: 9
by dshields » Sat Sep 20, 2014 3:02 pm

I'm posting this because I spent the better part of a day trying to figure out how to do this in the 8.X series of Zimbra, and was surprised how...

9 Replies

5268 Views

Last post by JoeKar View the latest post
Thu Aug 16, 2018 1:29 pm
Unable to start Zimbra

Last post by lytledd « Thu Aug 16, 2018 12:06 pm
Replies: 3
by mrgreiner » Thu Aug 16, 2018 11:15 am

Hi,

This night I restarted the Zimbra server due to a kernel update (via APT), and Zimbra is now refusing to start. Seems to be something with the...

3 Replies

62 Views

Last post by lytledd View the latest post
Thu Aug 16, 2018 12:06 pm
Zimbra 8.8.8 Crashes after Kernel Update

Last post by svalavuo « Thu Aug 16, 2018 11:15 am
Replies: 1
by krabat » Thu Aug 16, 2018 6:51 am

I'm not sure I'm in the right place. Sorry, if I'm not.

I run a Zimbraserver Ver. 8.8.8_GA3008.FOSS with current patch level.
My OS is Ubuntu...

1 Replies

38 Views

Last post by svalavuo View the latest post
Thu Aug 16, 2018 11:15 am
getting PTR error

Last post by phoenix « Thu Aug 16, 2018 11:01 am
Replies: 1
Attachment(s) by zuhdizoel » Thu Aug 16, 2018 6:07 am

hi,

i have a self hosted zimbra, and it was running normally, it could send and receive email,
but suddenly i receive a PRT error, and i dont change...

1 Replies

32 Views

Last post by phoenix View the latest post
Thu Aug 16, 2018 11:01 am
Zimbra Security

Last post by sunil_ghimire « Thu Aug 16, 2018 7:06 am
Replies: 2
by sunil_ghimire » Tue Aug 14, 2018 9:27 am

Respected sir/mam

User's password was compromised ,

I changed the password then random authentication start again... How to resolve these issue...

2 Replies

157 Views

Last post by sunil_ghimire View the latest post
Thu Aug 16, 2018 7:06 am
backup software plugin integration

Last post by fbzimblet « Thu Aug 16, 2018 5:40 am

by fbzimblet » Thu Aug 16, 2018 5:40 am

any backup solution that have plugin for zimbra to be able to restore point in time email for certain user from backup console like what netvault...

0 Replies

37 Views

Last post by fbzimblet View the latest post
Thu Aug 16, 2018 5:40 am
8.8.9 seems to solve the webapp problem. But fixperms...

Last post by Ace Suares « Thu Aug 16, 2018 12:04 am

by Ace Suares » Thu Aug 16, 2018 12:04 am

# /opt/zimbra/libexec/zmfixperms -extended
chown: cannot dereference '/opt/zimbra/lib/jars/servlet-api.jar': No such file or directory
chmod: cannot...

0 Replies

64 Views

Last post by Ace Suares View the latest post
Thu Aug 16, 2018 12:04 am
Zimbra won't shutdown - Stopping zimlet webapp fails

Last post by Ace Suares « Wed Aug 15, 2018 11:15 pm
Replies: 10
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by NetCircle » Wed Nov 23, 2016 1:10 am

The subject pretty much says it all. When 'zmcontrol shutdown' is run, zmconfigd stops, it moves on to 'Stopping zimlet webapp...' which eventually...
10 Replies

3187 Views

Last post by Ace Suares View the latest post
Wed Aug 15, 2018 11:15 pm
Sender address rejected: Domain not found

Last post by felix_cesar « Wed Aug 15, 2018 10:06 pm
Replies: 1
by Peter Parker » Thu May 24, 2018 8:27 am

Hi guys,

I'm running into problems with sending mail on our mailserver. Some mails are sent and delivered without any problems (eg Gmail), while...

1 Replies

196 Views

Last post by felix_cesar View the latest post
Wed Aug 15, 2018 10:06 pm
DomainAdmin

Last post by cromag « Wed Aug 15, 2018 2:48 pm
Replies: 4
by cromag » Wed Aug 15, 2018 12:58 pm

Hi, im sorry if this post is a repost, i can't see it anywhere.
I am looking for a checkbox called DomainAdministrator or simiar.
This was found...

4 Replies

88 Views

Last post by cromag View the latest post
Wed Aug 15, 2018 2:48 pm

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