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Authentication Bypass in MailboxImportServlet vulnerability (reminder)
https://blog.zimbra.com/2022/08/authentication-bypass-in-mailboximportservlet-vulnerability/

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Rspamd: Fast, free and open-source spam filtering system

Last post by imx « Tue Jul 26, 2022 11:32 am
Replies: 225
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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...
225 Replies

3230952 Views

Last post by imx View the latest post
Tue Jul 26, 2022 11:32 am

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Last post

Another Letsencrypt method

Last post by JDunphy « Fri Feb 03, 2023 3:35 pm
Replies: 145
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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...
145 Replies

420830 Views

Last post by JDunphy View the latest post
Fri Feb 03, 2023 3:35 pm
Zimbra 9 - FOSS

Last post by rosch « Wed Jan 18, 2023 6:35 pm
Replies: 109
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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...
109 Replies

271960 Views

Last post by rosch View the latest post
Wed Jan 18, 2023 6:35 pm
STARTTLS everywhere

Last post by rokoyato « Fri Sep 02, 2022 10:13 am
Replies: 10
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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...
10 Replies

62698 Views

Last post by rokoyato View the latest post
Fri Sep 02, 2022 10:13 am
ZCS 9 Patch 26 available & Zimbra ZCS OSS Build

Last post by ghen « Sun Aug 14, 2022 8:17 pm
Replies: 12
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by phoenix » Thu Jul 28, 2022 8:27 pm

The latest patch release is now available from Zimbra, it can be downloaded from the ZCS Repo - make sure you take a backup first and reboot after...
12 Replies

8514 Views

Last post by ghen View the latest post
Sun Aug 14, 2022 8:17 pm
certbot-zimbra v0.2

Last post by barrydegraaff « Fri Jul 01, 2022 8:21 am
Replies: 8
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....

8 Replies

67373 Views

Last post by barrydegraaff View the latest post
Fri Jul 01, 2022 8:21 am
DO NOT INSTALL the Kepler 9.0.0 Patch 25 or 8.8.15 Patch 32

Last post by phoenix « Fri Jun 17, 2022 7:23 pm
Replies: 15
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by phoenix » Fri Jun 17, 2022 6:40 am

Unfortunately Zimbra don't seem to realise they have a user forum here, they've posted a warning about the current Patch release on a wiki that, I'd...
15 Replies

8807 Views

Last post by phoenix View the latest post
Fri Jun 17, 2022 7:23 pm
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

35793 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

311638 Views

Last post by davidkillingsworth View the latest post
Thu Apr 08, 2021 4:11 am
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

137920 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

68792 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

596808 Views

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

82725 Views

Last post by davidkillingsworth View the latest post
Thu May 30, 2019 12:12 pm
Correct way to install letsencrypt? GA 8.8.15

Last post by phoenix « Sat Feb 04, 2023 10:06 am
Replies: 1
by zim_mike » Fri Feb 03, 2023 8:18 pm

I have a Centos 7 server running 8.8.15 that needs to have a proper SSL certificate.
The problem is that all of the information I find is different...

1 Replies

206 Views

Last post by phoenix View the latest post
Sat Feb 04, 2023 10:06 am
Outgoing warning "Unknown identity"

Last post by zim_mike « Fri Feb 03, 2023 5:04 pm

Attachment(s) by zim_mike » Fri Feb 03, 2023 5:04 pm

I changed over to another mail client from the Zimbra desktop on one PC and am seeing these warnings when trying to send.
Not something I've seen or...

0 Replies

200 Views

Last post by zim_mike View the latest post
Fri Feb 03, 2023 5:04 pm
CSFE_SVC_ERROR HTTP response status 504

Last post by nisamudeen97 « Fri Feb 03, 2023 6:40 am
Replies: 2
Attachment(s) by nisamudeen97 » Thu Dec 15, 2022 5:34 pm

With our Zimbra/8.8.15_GA webmail randomly get non responsive while trying to send email. We were getting the below error with webmail. This has been...

2 Replies

978 Views

Last post by nisamudeen97 View the latest post
Fri Feb 03, 2023 6:40 am
Futureproof OS recommendation

Last post by JDunphy « Thu Feb 02, 2023 8:46 pm
Replies: 5
by nwzholleh » Wed Feb 01, 2023 7:46 am

Hi All,

Currently im running CentOS7.9 with Zimbra v9 NE.
Just wanted to know whats the direction for Zimbra recommended OS?

The plan now is to...

5 Replies

1611 Views

Last post by JDunphy View the latest post
Thu Feb 02, 2023 8:46 pm
Zimbra 9.0 P24 To P26 upgrade - aliases showing in Gal

Last post by AlexGoGo « Thu Feb 02, 2023 6:56 pm
Replies: 1
by AlexGoGo » Thu Aug 25, 2022 9:09 pm

Hi There,

I updated my server from Zimbra 9.0 P24 to P26, now all the aliases are showing in Gal and autocomplete when writing emails. Anyone else...

1 Replies

894 Views

Last post by AlexGoGo View the latest post
Thu Feb 02, 2023 6:56 pm
Change pass not enabled from GUI

Last post by barrydegraaff « Thu Feb 02, 2023 7:51 am
Replies: 1
by ankx7_zimbra » Wed Feb 01, 2023 2:24 pm

Hi to all

In consolle admin GUI cannot change user pass!

can you help me about this problem?

thanks in advance

1 Replies

886 Views

Last post by barrydegraaff View the latest post
Thu Feb 02, 2023 7:51 am
Exchange and ios devices

Last post by barrydegraaff « Wed Feb 01, 2023 2:17 pm
Replies: 1
by ankx7_zimbra » Wed Feb 01, 2023 6:20 am

Hi to all.

I've a Zimbra server, updated last 27 jan:
Release 9.0.0_GA_3954.RHEL8_64_20200629045300 NETWORK edition, Patch...

1 Replies

858 Views

Last post by barrydegraaff View the latest post
Wed Feb 01, 2023 2:17 pm
com.zimbra.cs.mailbox.MailServiceException$NoSuchItemException: no such message: 268516

Last post by rafaelcottica « Wed Feb 01, 2023 1:03 pm
Replies: 1
by rafaelcottica » Thu Jan 26, 2023 1:21 pm

When trying to forward or reply to some messages an error is displayed:

a=ZimbraWebClient - GC108...

1 Replies

1173 Views

Last post by rafaelcottica View the latest post
Wed Feb 01, 2023 1:03 pm
where to create .well-known/pki-validation directory

Last post by indunil75 « Wed Feb 01, 2023 4:24 am

by indunil75 » Wed Feb 01, 2023 4:24 am

Dear Zimbra users.

Paid SSL certificate will expire shortly. I got a TXT file. I will have to create a directory called...

0 Replies

478 Views

Last post by indunil75 View the latest post
Wed Feb 01, 2023 4:24 am
Printing Emails Información Zimbra 8.8.15_GA_4481 (build 20221116081024)

Last post by scantec « Tue Jan 31, 2023 10:46 am
Replies: 1
by rubicon » Tue Jan 31, 2023 7:43 am

Hello, we have updated to the latest patch of Zimbra 8.8.1.5, and now users can not print emails (the content of what you are going to print comes...

1 Replies

1195 Views

Last post by scantec View the latest post
Tue Jan 31, 2023 10:46 am
zmdailyreport for monthly or annual report

Last post by imanudin11 « Tue Jan 31, 2023 1:44 am
Replies: 1
by ankx7_zimbra » Mon Jan 30, 2023 11:10 am

Hi to all

It's possibile generate monthly or annual mail report?

Thanks in advance

1 Replies

1263 Views

Last post by imanudin11 View the latest post
Tue Jan 31, 2023 1:44 am
Determining the origin of SPAM

Last post by eaperezh « Mon Jan 30, 2023 10:13 pm

by eaperezh » Mon Jan 30, 2023 10:13 pm

Good day, today one of our systems got 90k+ spam emails and the corresponding bounces,etc,etc.
I have implemented fail2ban and it is working very...

0 Replies

1365 Views

Last post by eaperezh View the latest post
Mon Jan 30, 2023 10:13 pm
How to increase resources to webui

Last post by eaperezh « Mon Jan 30, 2023 3:47 pm

by eaperezh » Mon Jan 30, 2023 3:47 pm

How can I increase resources for the WebUI, so the deferred and on-hold queues actually display something?
My mail Queue tab is basically useless as...

0 Replies

841 Views

Last post by eaperezh View the latest post
Mon Jan 30, 2023 3:47 pm

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