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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: A replacement for Spamassassin & Postscreen

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

3054472 Views

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

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Last post

ZCS 9 Patch 26 available & Zimbra ZCS OSS Build

Last post by maxxer « Sat Aug 13, 2022 12:16 pm
Replies: 11
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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...
11 Replies

1696 Views

Last post by maxxer View the latest post
Sat Aug 13, 2022 12:16 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

63007 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

390564 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

3248 Views

Last post by phoenix View the latest post
Fri Jun 17, 2022 7:23 pm
Zimbra 9 - FOSS

Last post by glottis « Fri Jun 17, 2022 1:44 pm
Replies: 99
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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...
99 Replies

227719 Views

Last post by glottis View the latest post
Fri Jun 17, 2022 1:44 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

32396 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

289289 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

124237 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

64407 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

555218 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

55529 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

80165 Views

Last post by davidkillingsworth View the latest post
Thu May 30, 2019 12:12 pm
zmconfigd...failed zimbra 8.8.15-p33

Last post by tehseen « Sat Aug 13, 2022 1:20 pm
Replies: 2
by tehseen » Sat Aug 13, 2022 4:42 am

I've installed zimra version 8.815-p33 on ubunut 20. all service are up exvept

Host x.x.x.x
Starting ldap...Done....

2 Replies

248 Views

Last post by tehseen View the latest post
Sat Aug 13, 2022 1:20 pm
Security Update: Authentication Bypass in MailboxImportServlet vulnerability

Last post by halfgaar « Sat Aug 13, 2022 11:42 am
Replies: 28
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by jeastman » Wed Aug 10, 2022 4:20 pm

Hello Zimbra Community,

We have had reports of a security vulnerability which is being actively exploited. Zimbra 8.8.15 patch 33 and Zimbra 9.0.0...
28 Replies

3168 Views

Last post by halfgaar View the latest post
Sat Aug 13, 2022 11:42 am
restrict accout from receive email from internal domain

Last post by malinkalive « Sat Aug 13, 2022 6:05 am

by malinkalive » Sat Aug 13, 2022 6:05 am

Hi all,
I`am trying to restrict account from receive emails from internal domain. Incoming emails from outside should be delivered.

Example:...

0 Replies

140 Views

Last post by malinkalive View the latest post
Sat Aug 13, 2022 6:05 am
dkim query failed

Last post by tehseen « Sat Aug 13, 2022 3:00 am
Replies: 3
by tehseen » Fri Aug 12, 2022 1:09 pm

I'm really frustrated after generating dkim key and added into my godaddy dns mxtoolbox show test pass / valid dkim . But when I test it with zimbra...

3 Replies

464 Views

Last post by tehseen View the latest post
Sat Aug 13, 2022 3:00 am
zmcontrol -v output differs on different server-roles

Last post by rainer_d « Fri Aug 12, 2022 10:46 pm
Replies: 2
by rainer_d » Fri Aug 12, 2022 10:03 am

Hi,

I upgraded my test-environment to 8.8.15P33.

It is divided into LDAP, MTA/Proxy and mailbox-servers.

on ldap-node:

-bash-4.2$...

2 Replies

328 Views

Last post by rainer_d View the latest post
Fri Aug 12, 2022 10:46 pm
Abnormal sending of mail from zimbra @

Last post by JoeAshley « Fri Aug 12, 2022 7:36 pm
Replies: 4
by vsparacio » Wed Jan 26, 2022 4:18 pm

Hello everyone, the service I use as a relay tells me that hundreds of emails have been arriving from my mail server for a few days, so I went to see...

4 Replies

3343 Views

Last post by JoeAshley View the latest post
Fri Aug 12, 2022 7:36 pm
How to avoid outlook duplicate after a migration to a new server ?

Last post by rokoyato « Fri Aug 12, 2022 2:36 pm
Replies: 2
by rokoyato » Fri Aug 12, 2022 7:29 am

Hi,

I'm charged with the migration from a 8.0.6 server to a 9 one (about 1Tb of mail).

With this migrate come a change in the server name and...

2 Replies

264 Views

Last post by rokoyato View the latest post
Fri Aug 12, 2022 2:36 pm
amavisd bunch of errors

Last post by L. Mark Stone « Fri Aug 12, 2022 2:07 pm
Replies: 3
by tehseen » Fri Aug 12, 2022 7:55 am

After adding pyzor and razor into my zimbra .

I have restarted

zmantispamctl restart
Stopping amavisd...amavisd is not running....

3 Replies

301 Views

Last post by L. Mark Stone View the latest post
Fri Aug 12, 2022 2:07 pm
Zimbra9 autoprovision bug

Last post by arukashi « Fri Aug 12, 2022 11:05 am
Replies: 6
by arukashi » Wed Aug 03, 2022 3:27 pm

Hi!
I have configured account autoprovision against MS AD with several domain controller on Zimbra9

Release...

6 Replies

1121 Views

Last post by arukashi View the latest post
Fri Aug 12, 2022 11:05 am
email are sent to junk gmail/hotmail

Last post by tehseen « Fri Aug 12, 2022 4:52 am
Replies: 6
by tehseen » Thu Aug 11, 2022 10:34 am

Greetings,

My emails are sent to junk / spam gmail and hotmail although I have added domain into postmaster of gmail .

SPF show green : spf_record...

6 Replies

445 Views

Last post by tehseen View the latest post
Fri Aug 12, 2022 4:52 am
Outlook for Mac Causing problems

Last post by phoenix « Thu Aug 11, 2022 6:42 am
Replies: 5
Attachment(s) by bennhana » Wed Aug 10, 2022 7:25 am

Hi all

Maybe someone has come across this problem, please help. We are running the Zimbra Network edition and have a client who uses a Mac Book....

5 Replies

664 Views

Last post by phoenix View the latest post
Thu Aug 11, 2022 6:42 am
zimbra mail reports

Last post by phoenix « Thu Aug 11, 2022 6:32 am
Replies: 3
by ahrao » Wed Aug 10, 2022 4:43 pm

Hi All,

I am using zimbra 8.8.15, Please let me know if there is a script which can give the mails sent by an id to which all destination mail...

3 Replies

346 Views

Last post by phoenix View the latest post
Thu Aug 11, 2022 6:32 am
Subject and Attachment Log Combine

Last post by enesilhaydin « Wed Aug 10, 2022 7:41 pm

by enesilhaydin » Wed Aug 10, 2022 7:41 pm

Hello,

I am using Zimbra 8.8. I will ask you a question. I am using a siem product and reading zimbra logs. But when I send an e-mail with an...

0 Replies

136 Views

Last post by enesilhaydin View the latest post
Wed Aug 10, 2022 7:41 pm

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