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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

1121722 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

177170 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

233813 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

47706 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

37744 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

7939 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

46652 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

37966 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

408184 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

30400 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

46027 Views

Last post by davidkillingsworth View the latest post
Thu May 30, 2019 12:12 pm
SpamAssassin Security Vulnerability

Last post by JDunphy « Sat Apr 10, 2021 8:34 pm
Replies: 2
by rleiker » Tue Mar 30, 2021 7:10 pm

Hi Everyone,

I wanted to give you a heads-up on a security vulnerability in SpamAssassin that was publicly disclosed a couple of days ago. It scores...

2 Replies

1059 Views

Last post by JDunphy View the latest post
Sat Apr 10, 2021 8:34 pm
Zimbra - ERR_SSL_PROTOCOL_ERROR

Last post by BigZ25 « Sat Apr 10, 2021 7:40 am
Replies: 1
Attachment(s) by BigZ25 » Fri Mar 26, 2021 11:51 pm

Hi
I just installed SSL certificate on my mail server.
The installation went without warnings, errors etc.
Before installation i made checking a...

1 Replies

945 Views

Last post by BigZ25 View the latest post
Sat Apr 10, 2021 7:40 am
Zimbra 8.8 - not all services running

Last post by BigZ25 « Sat Apr 10, 2021 7:35 am
Replies: 4
Attachment(s) by BigZ25 » Wed Mar 24, 2021 6:46 pm

Hello
I install Zimbra 8.8 on Ubuntu Server 18.04.

But somethig is wrong because i cant get into admin panel (port 7071 - page is not opening in web...

4 Replies

1193 Views

Last post by BigZ25 View the latest post
Sat Apr 10, 2021 7:35 am
Help, zimbra error after Public IP Address changed

Last post by JDunphy « Sat Apr 10, 2021 5:15 am
Replies: 17
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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...
17 Replies

6324 Views

Last post by JDunphy View the latest post
Sat Apr 10, 2021 5:15 am
multiple domains and DNS reverse lookup

Last post by phoenix « Sat Apr 10, 2021 2:41 am
Replies: 1
by tommyhp2 » Fri Apr 09, 2021 10:00 pm

Hi,

I've setup multiple domains on my Zimbra server and I was able to send e-mail to most domains successfully. However, for a few that perform...

1 Replies

656 Views

Last post by phoenix View the latest post
Sat Apr 10, 2021 2:41 am
Limit incoming mail to one upstream host.

Last post by gtinet « Fri Apr 09, 2021 2:43 pm

by gtinet » Fri Apr 09, 2021 2:43 pm

How do I set Zimbra to only accept mail from my upstream SPAM filter provider? For example, I only want incoming messages to be accepted from...

0 Replies

434 Views

Last post by gtinet View the latest post
Fri Apr 09, 2021 2:43 pm
Zimbra stats service is stopped

Last post by whasley « Fri Apr 09, 2021 12:45 pm
Replies: 6
by gnogic » Wed Jan 30, 2019 10:46 am

Hi,
I'm having problem with stats service on my mail server based on Zimbra Release 8.8.8_GA_2009.RHEL7_64_20180322150747 RHEL7_64 FOSS ( server is...

6 Replies

8471 Views

Last post by whasley View the latest post
Fri Apr 09, 2021 12:45 pm
FOSS 8.8.15P20 problem with mail queue monitoring

Last post by Andy « Fri Apr 09, 2021 7:22 am
Replies: 7
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...

7 Replies

2392 Views

Last post by Andy View the latest post
Fri Apr 09, 2021 7:22 am
How to restrict a specific sender domain to send mail to DL in our domain.

Last post by sajal.1976 « Fri Apr 09, 2021 6:56 am

by sajal.1976 » Fri Apr 09, 2021 6:56 am

Dear All,

I am seeking help on the following scenario.

Our mail domain is mymail.com (e.g). I have a DL called mysupport@mymail.com . I want to...

0 Replies

35 Views

Last post by sajal.1976 View the latest post
Fri Apr 09, 2021 6:56 am
Only some users detect SPAM from our Whitelisted domain

Last post by fs.schmidt « Fri Apr 09, 2021 3:39 am
Replies: 1
by GEOptic » Thu Apr 08, 2021 3:22 pm

Good Day Ladies, Gentlemen,

It's been quite a journey with spam lately (my God lots of people have spare time...)

Ok, so I worked few hours trying...

1 Replies

1130 Views

Last post by fs.schmidt View the latest post
Fri Apr 09, 2021 3:39 am
ics files from Zimbra meeting invites aren't sent anymore

Last post by OlivierLambert « Thu Apr 08, 2021 9:24 pm

by OlivierLambert » Thu Apr 08, 2021 9:24 pm

Hi everyone!

So it seems to be a recent problem (few months tops?). If I create a Zimbra calendar meeting internally, there's no problem, people...

0 Replies

89 Views

Last post by OlivierLambert View the latest post
Thu Apr 08, 2021 9:24 pm
ics files from Zimbra meeting invites aren't sent anymore

Last post by OlivierLambert « Thu Apr 08, 2021 9:21 pm

by OlivierLambert » Thu Apr 08, 2021 9:21 pm

Hi everyone!

So it seems to be a recent problem (few months tops?). If I create a Zimbra calendar meeting internally, there's no problem, people...

0 Replies

80 Views

Last post by OlivierLambert View the latest post
Thu Apr 08, 2021 9:21 pm
Migrate from 8.8.12 to 8.8.15 by changing server

Last post by phoenix « Thu Apr 08, 2021 6:39 pm
Replies: 1
by elderf » Wed Apr 07, 2021 11:00 pm

Greetings to all .. I need your help to identify the best and simplest method that exists to migrate mailboxes and all the information from a server...

1 Replies

1015 Views

Last post by phoenix View the latest post
Thu Apr 08, 2021 6:39 pm
Zimbra 8.8.15-p20 nginx 1.19 proxy_protocol

Last post by erme « Thu Apr 08, 2021 3:45 pm

by erme » Thu Apr 08, 2021 3:45 pm

Hello,
with the latest patch, nginx bump to 1.19, so now nginx support proxy_protocol.
I find a an easy way/the best way, to configure nginx to...

0 Replies

440 Views

Last post by erme View the latest post
Thu Apr 08, 2021 3:45 pm
8.8.15 Patch 15 - How to enable TLS v 1.3 support?

Last post by JDunphy « Thu Apr 08, 2021 2:46 pm
Replies: 4
by davidkillingsworth » Wed Jan 13, 2021 4:57 am

Hello,

I noticed in the release note for Zimbra 8.8.15 Patch 15 that OpenSSL and Postfix TLS 1.3 support has been implemented:

I also noticed in...

4 Replies

1199 Views

Last post by JDunphy View the latest post
Thu Apr 08, 2021 2:46 pm

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