Administrators

A new security patch has been released to further address CVE-2022-27924.
This issue has been ranked as High by the Zimbra Team and we recommend that you use the most recent release available to avoid any issues.
https://blog.zimbra.com/2022/05/new-zimbra-security-patches-9-0-0-patch-24-1-and-8-8-15-patch-31-1/ (May 10th 2022)

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Last post

Rspamd: A replacement for Spamassassin & Postscreen

Last post by chris_60 « Mon Jan 24, 2022 1:29 pm
Replies: 215
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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...
215 Replies

2394847 Views

Last post by chris_60 View the latest post
Mon Jan 24, 2022 1:29 pm

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Last post

Another Letsencrypt method

Last post by JDunphy « Fri May 13, 2022 3:40 pm
Replies: 143
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Attachment(s) 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...
143 Replies

357577 Views

Last post by JDunphy View the latest post
Fri May 13, 2022 3:40 pm
Zimbra 9 - FOSS

Last post by jholder « Fri Feb 18, 2022 2:08 am
Replies: 96
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by jorgedlcruz » Wed Apr 15, 2020 8:22 am

Hi guys,
Have you seen the unofficial version Beezim has released? It is for RHEL/CentOS, but interesting -

I was looking at how to build your own...
96 Replies

181172 Views

Last post by jholder View the latest post
Fri Feb 18, 2022 2:08 am
Open Source, an interesting read

Last post by Klug « Fri Jul 09, 2021 8:14 am
Replies: 7
by phoenix » Tue Jul 21, 2020 9:47 am

I somehow seem to have missed this interesting article:

I think there are a few lessons and words of wisdom in there for Synacor but I don't think...

7 Replies

26297 Views

Last post by Klug View the latest post
Fri Jul 09, 2021 8:14 am
A Grafana Dashboard for Zimbra Collaboration

Last post by davidkillingsworth « Thu Apr 08, 2021 4:11 am
Replies: 84
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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,...
84 Replies

262597 Views

Last post by davidkillingsworth View the latest post
Thu Apr 08, 2021 4:11 am
certbot-zimbra v0.2

Last post by JDunphy « Tue Sep 08, 2020 7:53 pm
Replies: 7
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....

7 Replies

56560 Views

Last post by JDunphy View the latest post
Tue Sep 08, 2020 7:53 pm
Zimbra 9 now available - in case anyone missed the blog post

Last post by rholighaus « Tue May 19, 2020 5:06 pm
Replies: 42
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by phoenix » Tue Apr 07, 2020 5:44 pm

Release Notes:

Before anyone asks, there doesn't appear to be an OSS version available (yet?) for download and the new Modern Web App is only...
42 Replies

104768 Views

Last post by rholighaus View the latest post
Tue May 19, 2020 5:06 pm
How to monitor Zimbra using pflogsumm and NET-SNMP-EXTEND

Last post by Lewis-H « Wed Apr 22, 2020 1:24 pm
Replies: 8
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...

8 Replies

57271 Views

Last post by Lewis-H View the latest post
Wed Apr 22, 2020 1:24 pm
CVE-2019-9670 being actively exploited (Hacked Server)

Last post by phoenix « Sun Feb 16, 2020 7:22 am
Replies: 248
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Attachment(s) by maxxer » Wed Apr 03, 2019 2:32 pm

As many repoted on IRC, the latest security bug found in Zimbra is being actively exploited in the wild.

It's easy to find a compromised install...
248 Replies

524536 Views

Last post by phoenix View the latest post
Sun Feb 16, 2020 7:22 am
STARTTLS everywhere

Last post by FredKarno « Thu Jul 11, 2019 12:39 pm
Replies: 7
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...

7 Replies

49237 Views

Last post by FredKarno View the latest post
Thu Jul 11, 2019 12:39 pm
memcached amplification attack

Last post by davidkillingsworth « Thu May 30, 2019 12:12 pm
Replies: 16
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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.
16 Replies

70905 Views

Last post by davidkillingsworth View the latest post
Thu May 30, 2019 12:12 pm
current documentation for using letsencrypt

Last post by kdmiller45 « Sun May 22, 2022 2:39 pm
Replies: 4
Attachment(s) by kdmiller45 » Sun May 22, 2022 3:58 am

is there current documentation for installing letsencrypt for Zimbra

O/S: Ubuntu 18.04
Zimbra: 8.8.15_GA_4272.FOSS

Keith

4 Replies

275 Views

Last post by kdmiller45 View the latest post
Sun May 22, 2022 2:39 pm
links in package manager for ubuntu

Last post by andras0602 « Sun May 22, 2022 1:29 pm
Replies: 1
by kdmiller45 » Sun May 22, 2022 4:51 am

what links should be in the package manager for Ubuntu Server 18.04 to be able to apt update && apt upgrade and get the update for Zimbra...

1 Replies

186 Views

Last post by andras0602 View the latest post
Sun May 22, 2022 1:29 pm
Reverse DNS location

Last post by Ambidexterity « Sun May 22, 2022 8:40 am
Replies: 7
by Ambidexterity » Thu May 19, 2022 8:35 am

I have a question about Reverse DNS, where should I set this up?
Is this in the DNS settings where my domain name is located or is that in my Zimbra...

7 Replies

1321 Views

Last post by Ambidexterity View the latest post
Sun May 22, 2022 8:40 am
2FA App code complexity

Last post by andras0602 « Sat May 21, 2022 6:21 pm

by andras0602 » Sat May 21, 2022 6:21 pm

Dear Team,
I use Zimbra 8.8.15.

I turned on the "two step authentication" 2FA/TOTP.
Unfortunately, I need to create some "Application...

0 Replies

407 Views

Last post by andras0602 View the latest post
Sat May 21, 2022 6:21 pm
SSL certificate not recognized Ubuntu 18

Last post by andras0602 « Sat May 21, 2022 4:16 pm
Replies: 1
by ellanos » Sun May 15, 2022 5:42 pm

Hi
I'm trying to update the SSL certificate for our mail server, but zimbra does not recognize this certificate (even though it is freshly...

1 Replies

976 Views

Last post by andras0602 View the latest post
Sat May 21, 2022 4:16 pm
How to Monitor Hardware and Server performance of Zimbra?

Last post by andras0602 « Sat May 21, 2022 4:10 pm
Replies: 4
Attachment(s) by damend » Mon May 16, 2022 2:22 am

Hi,

How do you guys monitor your zimbra hardware and server performance?

I couldnt find any fixes regarding server statistics in gui.
gui server...

4 Replies

1294 Views

Last post by andras0602 View the latest post
Sat May 21, 2022 4:10 pm
deliver local root mails

Last post by andras0602 « Sat May 21, 2022 3:48 pm

by andras0602 » Sat May 21, 2022 3:48 pm

Dear Team,

I have a couple of Zimbra 8.8.15 Linux servers and the regular cron and system alerts can't be delivered from them.

I could already...

0 Replies

245 Views

Last post by andras0602 View the latest post
Sat May 21, 2022 3:48 pm
Put Jetty behind nginx

Last post by andras0602 « Sat May 21, 2022 3:38 pm

by andras0602 » Sat May 21, 2022 3:38 pm

Dear Team,

I use zimbra 8.8.15 and now Java/Jetty is binding to my TCP 80 and 443 ports.
What would be the proper way to ask...

0 Replies

99 Views

Last post by andras0602 View the latest post
Sat May 21, 2022 3:38 pm
Disable Diffie–Hellman key exchange

Last post by andras0602 « Sat May 21, 2022 3:23 pm

by andras0602 » Sat May 21, 2022 3:23 pm

Dear Team,

I use Zimbra 8.8.15 and must disable the Diffie-Hellman (DHE) key exchange, but can't figure out how.
Could you help me?

Many thanks!...

0 Replies

43 Views

Last post by andras0602 View the latest post
Sat May 21, 2022 3:23 pm
Another forwarding issue with my 8.8.15_GA new install.

Last post by garfin « Sat May 21, 2022 5:40 am

by garfin » Sat May 21, 2022 5:40 am

When a user forwards an previously recieved email, to an external party (with embedded code/buttons) ,the URL behind those buttons get changed and no...

0 Replies

299 Views

Last post by garfin View the latest post
Sat May 21, 2022 5:40 am
cbpolicy is not enforcing quota correctly

Last post by Christovam « Fri May 20, 2022 6:35 pm
Replies: 2
by Christovam » Fri May 13, 2022 8:53 pm

Hello guys.
I need to allow a limited amount of email sending per hour. I implemented cbpolicyd and configured it to limit 100 emails per hour. I...

2 Replies

1488 Views

Last post by Christovam View the latest post
Fri May 20, 2022 6:35 pm
Relay per Domain

Last post by potemkin « Fri May 20, 2022 12:20 pm

by potemkin » Fri May 20, 2022 12:20 pm

Have a nice day.
I use latest install of ZCS OpenSource.
In our company we have another mail server and by default all mail use internal...

0 Replies

463 Views

Last post by potemkin View the latest post
Fri May 20, 2022 12:20 pm
Discrepancy between mailbox size and single folder sum

Last post by 7224jobe « Fri May 20, 2022 10:44 am

by 7224jobe » Fri May 20, 2022 10:44 am

Hi everybody,
on my Zimbra (Release 8.8.15_GA_3869.RHEL7_64_20190917004220 RHEL7_64 FOSS edition, Patch 8.8.15_P31.1.) I have a few accounts where...

0 Replies

627 Views

Last post by 7224jobe View the latest post
Fri May 20, 2022 10:44 am
Zimbra outh2 for POP3 and IMAP

Last post by mceroni « Thu May 19, 2022 7:56 pm

by mceroni » Thu May 19, 2022 7:56 pm

Hello,

Is planned to implement oauth2 as auth method for POP3 and IMAP protocols ? ( Like Gmail and 365 )

Mirko

0 Replies

462 Views

Last post by mceroni View the latest post
Thu May 19, 2022 7:56 pm
mails rejects due to DNS check and protocol checks under MTA

Last post by L. Mark Stone « Thu May 19, 2022 1:50 pm
Replies: 1
by rishi.saini34 » Thu May 19, 2022 11:02 am

Hi,

I have setup my own zimbra and it is working fine.

But I am not getting mails from some domains that are not properly configured and my zimbra...

1 Replies

557 Views

Last post by L. Mark Stone View the latest post
Thu May 19, 2022 1:50 pm

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