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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

3222475 Views

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

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Last post

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

270794 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

62528 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

8304 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

67217 Views

Last post by barrydegraaff View the latest post
Fri Jul 01, 2022 8:21 am
Another Letsencrypt method

Last post by barrydegraaff « Fri Jul 01, 2022 8:21 am
Replies: 144
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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...
144 Replies

418956 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

8644 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

35673 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

310784 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

137378 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

68621 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

595552 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

82643 Views

Last post by davidkillingsworth View the latest post
Thu May 30, 2019 12:12 pm
Restrict sending mail by user by time

Last post by nirt « Fri Jan 27, 2023 7:20 am

by nirt » Fri Jan 27, 2023 7:20 am

Hi,

I need to apply to a zimbra 8.8.15 P36 some restrictions about number of mail to be allowed to send during some time for example, allow to send...

0 Replies

258 Views

Last post by nirt View the latest post
Fri Jan 27, 2023 7:20 am
Error displayin mail queues 1 mta multi environment

Last post by nirt « Fri Jan 27, 2023 7:18 am
Replies: 2
by nirt » Tue Jan 17, 2023 12:27 pm

Hi,

I have a multi server environment, with 2mtas and two mailboxes, since some day ago one on mtas display from web admin mail queue on one mta,...

2 Replies

1801 Views

Last post by nirt View the latest post
Fri Jan 27, 2023 7:18 am
com.zimbra.cs.mailbox.MailServiceException$NoSuchItemException: no such message: 268516

Last post by rafaelcottica « Thu Jan 26, 2023 1:21 pm

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...

0 Replies

311 Views

Last post by rafaelcottica View the latest post
Thu Jan 26, 2023 1:21 pm
Regenerage emailed contacts

Last post by tomw « Thu Jan 26, 2023 12:19 pm

by tomw » Thu Jan 26, 2023 12:19 pm

Hi, as far as I know the "emailed contacts" is created based on the recipients of sent messages, can I regenerate emailed contacts ?

0 Replies

403 Views

Last post by tomw View the latest post
Thu Jan 26, 2023 12:19 pm
Limiting correct SMTP logins

Last post by matthiasmaciej « Thu Jan 26, 2023 12:03 pm

by matthiasmaciej » Thu Jan 26, 2023 12:03 pm

Hi,
I would like to limit the number of valid logins per minute to the SMTP server and log this value per user.
I would like to get such an effect...

0 Replies

147 Views

Last post by matthiasmaciej View the latest post
Thu Jan 26, 2023 12:03 pm
SOLVED: Must issue a STARTTLS command first

Last post by recipient « Thu Jan 26, 2023 7:27 am
Replies: 6
by recipient » Tue Jan 24, 2023 9:59 am

Hello, fellow Zimbra Administrators.
I have a problem with sending messages to one domain.
While doing this, message is bounced with an error:
Jan...

6 Replies

1067 Views

Last post by recipient View the latest post
Thu Jan 26, 2023 7:27 am
zimbraAdmin console not accessible

Last post by imarine « Wed Jan 25, 2023 9:18 am
Replies: 3
by imarine » Fri Jan 20, 2023 10:17 am

Hi dear All,

Here I have a terrible problem that does not permit me to administer the Zimbra CS - admin page not starting, port 7071 not listen. Is...

3 Replies

1854 Views

Last post by imarine View the latest post
Wed Jan 25, 2023 9:18 am
Delete LOCAL password in LADP Auth env

Last post by winproof « Tue Jan 24, 2023 2:45 pm

by winproof » Tue Jan 24, 2023 2:45 pm

Hello
we use a mixed environnement, some users auth on ldap server (samba AD) , others on zimbra server.

i have a problem, if a user who previously...

0 Replies

289 Views

Last post by winproof View the latest post
Tue Jan 24, 2023 2:45 pm
Amazon dmarc report fail because of Zextras

Last post by andras0602 « Mon Jan 23, 2023 7:37 pm
Replies: 4
by andras0602 » Mon Jan 23, 2023 5:17 pm

Hi!

I'm using 8.8.15_GA_3869.RHEL7_64 Network edition + Zextras on CentOS7 in a single node installation.
In my daily dmarc report from Amazon SES...

4 Replies

900 Views

Last post by andras0602 View the latest post
Mon Jan 23, 2023 7:37 pm
undo "mark all as read"

Last post by jhurley « Mon Jan 23, 2023 5:46 pm
Replies: 1
by rosch » Fri Jan 20, 2023 12:59 pm

Is there a way to undo "mark all as read"?
Probably not because the log files are not recording this type of information but I wanted to...

1 Replies

1339 Views

Last post by jhurley View the latest post
Mon Jan 23, 2023 5:46 pm
Hide/Exclude a folder from IMAP access.

Last post by jhurley « Mon Jan 23, 2023 5:43 pm
Replies: 1
by gabrieles » Mon Jan 23, 2023 11:57 am

Hi all
I need to prevent a spcific mail folder to be accessed via IMAP.
The folder must remain visible and usable in webmail.
First of all: can this...

1 Replies

295 Views

Last post by jhurley View the latest post
Mon Jan 23, 2023 5:43 pm
Zimbra 9.0.0 Patch 29 and 8.8.15 Patch 36 Released 8 December - Please Post Your Patching Results Here

Last post by gabrieles « Mon Jan 23, 2023 11:05 am
Replies: 18
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Attachment(s) by L. Mark Stone » Thu Dec 08, 2022 3:54 pm

From the notification:

This patch fixes 2 issues that were introduced with 9.0.0 Patch 28 and 8.8.15 Patch 35.

In the previous patch, ClamAV was...
18 Replies

7288 Views

Last post by gabrieles View the latest post
Mon Jan 23, 2023 11:05 am
1 user gets smime.p7m while others receive correctly

Last post by Klug « Fri Jan 20, 2023 5:17 pm
Replies: 15
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Attachment(s) by paskk » Thu Jan 12, 2023 10:40 am

Hi,

I am at a loss why this is happening. One of our users gets certain e-mails as smime.p7m attachment with : this message is encrypted
While...
15 Replies

11434 Views

Last post by Klug View the latest post
Fri Jan 20, 2023 5:17 pm

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