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Rspamd: A replacement for Spamassassin & Postscreen

Last post by lozair « Fri Mar 26, 2021 11:21 am
Replies: 199
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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...
199 Replies

1135684 Views

Last post by lozair View the latest post
Fri Mar 26, 2021 11:21 am

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Last post

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

178697 Views

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

Last post by zimbraxtc « Sun Apr 04, 2021 3:12 pm
Replies: 115
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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...
115 Replies

235515 Views

Last post by zimbraxtc View the latest post
Sun Apr 04, 2021 3:12 pm
Zimbra 9 - FOSS

Last post by ianw1974 « Tue Dec 29, 2020 8:49 pm
Replies: 54
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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...
54 Replies

48865 Views

Last post by ianw1974 View the latest post
Tue Dec 29, 2020 8:49 pm
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

38092 Views

Last post by JDunphy View the latest post
Tue Sep 08, 2020 7:53 pm
Open Source, an interesting read

Last post by phoenix « Wed Jul 29, 2020 2:59 pm
Replies: 2
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...

2 Replies

8198 Views

Last post by phoenix View the latest post
Wed Jul 29, 2020 2:59 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

47547 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

38248 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

410413 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

30684 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

46303 Views

Last post by davidkillingsworth View the latest post
Thu May 30, 2019 12:12 pm
NGINX listen port to 80?

Last post by kdiamond « Wed Apr 21, 2021 10:56 am

Attachment(s) by kdiamond » Wed Apr 21, 2021 10:56 am

Hi.

For many hours I'm struggling to set NGINX listening port to 80.

root@mail:/home/dali# netstat -lntp | egrep "80|443"
tcp 0 0...

0 Replies

26 Views

Last post by kdiamond View the latest post
Wed Apr 21, 2021 10:56 am
Certificate/Certbot - best way?

Last post by kdiamond « Wed Apr 21, 2021 8:29 am
Replies: 18
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Attachment(s) by kdiamond » Tue Apr 13, 2021 11:44 am

Hi.

Newbie alert. Coming from hmailserver(Windows). I just installed Zimbra, so far very good :)

Before I dig into certificates and spent hours...
18 Replies

963 Views

Last post by kdiamond View the latest post
Wed Apr 21, 2021 8:29 am
quota usage problem

Last post by mgarbin « Wed Apr 21, 2021 8:19 am
Replies: 2
by edisu » Tue Apr 20, 2021 11:28 pm

Hi, we have zimbra network edition 8.8.15 Patch and we set 10gb quota for all the user, one thing i notice one of the user exceed the quota and we...

2 Replies

124 Views

Last post by mgarbin View the latest post
Wed Apr 21, 2021 8:19 am
Adding another port for receiving email

Last post by Zecca « Wed Apr 21, 2021 6:50 am
Replies: 5
by Zecca » Wed Apr 14, 2021 2:55 am

Dear,
I want to ask about adding another port for receiving email, not for sending email. I try looking on the forum but it seems i can't find it....

5 Replies

579 Views

Last post by Zecca View the latest post
Wed Apr 21, 2021 6:50 am
Zimbra Error Table 'mail_item' is read only"

Last post by emnzava « Wed Apr 21, 2021 3:02 am

by emnzava » Wed Apr 21, 2021 3:02 am

Hi,

Am getting this error in the log despite that all zimbra services are working normal.

The only challenge is that when i try to send emails i...

0 Replies

55 Views

Last post by emnzava View the latest post
Wed Apr 21, 2021 3:02 am
DKIM and OWASP HTML Sanitizer...

Last post by DavidMerrill « Wed Apr 21, 2021 12:13 am

by DavidMerrill » Wed Apr 21, 2021 12:13 am

I've got a funny case where an incoming email has the following in the headers (sanitized a bit):

Authentication-Results:...

0 Replies

78 Views

Last post by DavidMerrill View the latest post
Wed Apr 21, 2021 12:13 am
Moving MTA to AWS

Last post by domadmin « Tue Apr 20, 2021 10:38 pm
Replies: 2
by domadmin » Tue Apr 20, 2021 7:51 pm

I am about to migrate Zimbra from CentOS 7 to Amazon Linux on-prem, but I also need to breakout the MTA to run in AWS. The idea is to keep received...

2 Replies

119 Views

Last post by domadmin View the latest post
Tue Apr 20, 2021 10:38 pm
SSL/TLS For network email ports

Last post by scool « Tue Apr 20, 2021 4:40 pm

Attachment(s) by scool » Tue Apr 20, 2021 4:40 pm

Greetings everyone.
Fresh zimbra installation on Ubuntu 18.04.5 LTS
Release 8.8.15.GA.3869.UBUNTU18.64 UBUNTU18_64 FOSS edition, Patch 8.8.15_P20

I...

0 Replies

128 Views

Last post by scool View the latest post
Tue Apr 20, 2021 4:40 pm
Fail2ban Filter file for Zimbra NGINX proxy server

Last post by aduzsardi « Tue Apr 20, 2021 4:26 pm
Replies: 1
by kclo2000 » Sat Apr 17, 2021 5:48 pm

Dear all,

Can you recommend filter file used for Zimbra Nginx proxy server which can block repeated login by POP3/IMAP4/Active Sync through Zimbra...

1 Replies

407 Views

Last post by aduzsardi View the latest post
Tue Apr 20, 2021 4:26 pm
Zimbra 8.8.15 SAML

Last post by techguy0816 « Tue Apr 20, 2021 3:02 pm

by techguy0816 » Tue Apr 20, 2021 3:02 pm

Hello everyone first of excuse me if the post is in wrong group. I would like to know is there any possibility to setup SAML authentication for...

0 Replies

100 Views

Last post by techguy0816 View the latest post
Tue Apr 20, 2021 3:02 pm
Migration centos 6+zimbra 8.0.6 to centos 8+zimbra 8.8.15

Last post by juan_cipolletti « Tue Apr 20, 2021 2:43 pm
Replies: 6
by juan_cipolletti » Thu Apr 15, 2021 1:56 pm

Hi, I'm new to the forum and in the world of zimbra, I'm doing a migration test before doing the productive thing, I'm testing with CLI commands, the...

6 Replies

267 Views

Last post by juan_cipolletti View the latest post
Tue Apr 20, 2021 2:43 pm
Reverse DNS and multiple domains on same IP

Last post by L. Mark Stone « Tue Apr 20, 2021 12:27 pm
Replies: 13
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Attachment(s) by kdiamond » Thu Apr 15, 2021 7:48 pm

Hi.

Can anyone explain to me the correct approach for the following:

I have:
PTR 193.77.83.XXX that resolves to mail.domain1.com
primary mail...
13 Replies

1089 Views

Last post by L. Mark Stone View the latest post
Tue Apr 20, 2021 12:27 pm
[Resolved] ERROR: Unable to start TLS: SSL connect attempt failed error:14090086

Last post by atakacs « Tue Apr 20, 2021 8:10 am
Replies: 43
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Attachment(s) by hoangnguyen » Sun Mar 24, 2019 2:07 pm

Hi all,

Today I run the command "zmcontrol status" on my zimbra server, and I got the error:
Unable to start TLS: SSL connect attempt...
43 Replies

35814 Views

Last post by atakacs View the latest post
Tue Apr 20, 2021 8:10 am
Zimbra 9 MySql Fail to start

Last post by emnzava « Mon Apr 19, 2021 12:17 pm
Replies: 12
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by emnzava » Mon Apr 05, 2021 9:11 am

Hi,

Am getting this error when attempting to restart Zimbra.

Zimbra Version Release 9.0.0.GA.3924.UBUNTU14.64

When restarting with zmcontrol...
12 Replies

3266 Views

Last post by emnzava View the latest post
Mon Apr 19, 2021 12:17 pm
Enabling TLS 1.3, removing v1 and v1.1 and ensuring that only strong ciphers are used

Last post by liverpoolfcfan « Mon Apr 19, 2021 9:58 am
Replies: 3
by davidkillingsworth » Fri Apr 16, 2021 12:39 am

I have been going through the process of enabling TLS 1.3 after updating to 8.8.15 Patch 20. At the same time, I am disabling TLSv1 and TLSv1.1

The...

3 Replies

444 Views

Last post by liverpoolfcfan View the latest post
Mon Apr 19, 2021 9:58 am

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