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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

1134727 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

178297 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

235092 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

48530 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

37996 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

8132 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

47334 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

38180 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

409899 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

30618 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

46232 Views

Last post by davidkillingsworth View the latest post
Thu May 30, 2019 12:12 pm
Adding another port for receiving email

Last post by porokh « Mon Apr 19, 2021 8:48 am
Replies: 4
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....

4 Replies

384 Views

Last post by porokh View the latest post
Mon Apr 19, 2021 8:48 am
Zimbra 8.7.0 to 8.7.11 Patch 9 servers being exploited

Last post by barrydegraaff « Mon Apr 19, 2021 8:04 am

by barrydegraaff » Mon Apr 19, 2021 8:04 am

Hello All,

Zimbra was listed in the April 15, 2021 NSA|CSS cybersecurity advisory related to CVE-2019-9670. The vulnerability is limited to versions...

0 Replies

21 Views

Last post by barrydegraaff View the latest post
Mon Apr 19, 2021 8:04 am
Reverse DNS and multiple domains on same IP

Last post by Klug « Mon Apr 19, 2021 7:41 am
Replies: 11
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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...
11 Replies

721 Views

Last post by Klug View the latest post
Mon Apr 19, 2021 7:41 am
Help, zimbra error after Public IP Address changed

Last post by ingenetic « Sun Apr 18, 2021 1:29 pm
Replies: 19
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by ingenetic » Wed Mar 31, 2021 4:55 am

hi all,

please help , i'm running zimbra 8.8.15 on centos 7 , i've just change my ip zimbra public address

here's that i was doing :
1. vi...
19 Replies

7109 Views

Last post by ingenetic View the latest post
Sun Apr 18, 2021 1:29 pm
Importance of certificates when WEB GUI is never used?

Last post by kdiamond « Sun Apr 18, 2021 11:45 am

by kdiamond » Sun Apr 18, 2021 11:45 am

Hi.

Probably a noob question, but would need to wrap my mind around it before making the next step. I have 5 domains.

So I have options to:
- buy a...

0 Replies

103 Views

Last post by kdiamond View the latest post
Sun Apr 18, 2021 11:45 am
Fail2ban Filter file for Zimbra NGINX proxy server

Last post by kclo2000 « Sat Apr 17, 2021 5:48 pm

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...

0 Replies

338 Views

Last post by kclo2000 View the latest post
Sat Apr 17, 2021 5:48 pm
Zimbra 8.7.0 to 8.7.11 Patch 9 servers being exploited

Last post by rleiker « Fri Apr 16, 2021 5:08 pm

by rleiker » Fri Apr 16, 2021 5:08 pm

Hi Everyone,

Zimbra was included in a news release yesterday from the NSA as one of the targets of a nation state campaign:

In this campaign, the...

0 Replies

353 Views

Last post by rleiker View the latest post
Fri Apr 16, 2021 5:08 pm
ImapCopy to Zimbra port 143

Last post by kdiamond « Fri Apr 16, 2021 2:18 pm
Replies: 1
by kdiamond » Fri Apr 16, 2021 2:12 pm

Hi.

A noob question.

I've been using ImapCopy with success in the past. Port for both servers (source and destination) 143

Login on sourceserver...

1 Replies

155 Views

Last post by kdiamond View the latest post
Fri Apr 16, 2021 2:18 pm
Enabling TLS 1.3, removing v1 and v1.1 and ensuring that only strong ciphers are used

Last post by ccelis5215 « Fri Apr 16, 2021 2:01 pm
Replies: 2
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...

2 Replies

287 Views

Last post by ccelis5215 View the latest post
Fri Apr 16, 2021 2:01 pm
MAILER-DAEMON goes haywire when mail can't be delivered

Last post by aduzsardi « Fri Apr 16, 2021 9:24 am
Replies: 2
by aduzsardi » Thu Apr 15, 2021 7:40 am

Hi ,
I recently encountered an issue where we sent some email messages to a domain that rejected them and the account from which the messages were...

2 Replies

185 Views

Last post by aduzsardi View the latest post
Fri Apr 16, 2021 9:24 am
Retrieving a List of Aliases Using a Database Query

Last post by ccelis5215 « Thu Apr 15, 2021 8:43 pm
Replies: 3
by Ilya » Thu Apr 15, 2021 4:28 am

What query in the database can you get a list of aliases?
Zimbra 8.8.15

I am aware of the capabilities of zmprov. BUT, due to the number of users...

3 Replies

237 Views

Last post by ccelis5215 View the latest post
Thu Apr 15, 2021 8:43 pm
[8.8.15_GA4018.NETWORK] Exchange Active Sync is not working when trying to login on phone.

Last post by vdou « Thu Apr 15, 2021 8:29 pm
Replies: 1
by vdou » Thu Apr 15, 2021 1:07 am

Hi all,

I am completely new at installing/configuring Zimbra for mobile exchange active sync support. I have enabled in COS the mobile access and...

1 Replies

157 Views

Last post by vdou View the latest post
Thu Apr 15, 2021 8:29 pm
DKIM issue when marking email as spam [SOLVED]

Last post by chris_60 « Thu Apr 15, 2021 6:49 pm
Replies: 3
by chris_60 » Thu Apr 15, 2021 12:57 pm

OS: Ubuntu 18.04.5 LTS
Zimbra: Release 9.0.0.ZEXTRAS.202007114.UBUNTU18.64 UBUNTU18_64 FOSS edition, Patch 9.0.0_P13.

I have DKIM configured and...

3 Replies

215 Views

Last post by chris_60 View the latest post
Thu Apr 15, 2021 6:49 pm
Migration centos 6+zimbra 8.0.6 to centos 8+zimbra 8.8.15

Last post by juan_cipolletti « Thu Apr 15, 2021 5:37 pm
Replies: 5
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...

5 Replies

187 Views

Last post by juan_cipolletti View the latest post
Thu Apr 15, 2021 5:37 pm
FOSS 8.8.15P20 problem with mail queue monitoring

Last post by danci1973 « Wed Apr 14, 2021 3:00 pm
Replies: 13
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by Andy » Sat Apr 03, 2021 12:57 pm

Hi,

I have FOSS version on CentOS6. After install last patch i can't view mail queue - get error like this:
system failure: exception...
13 Replies

4605 Views

Last post by danci1973 View the latest post
Wed Apr 14, 2021 3:00 pm

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