I am having issues combating brute-force attempts on my ZCS server.

I have fail2ban in place but it is not helping in this situation, they just...

Hi.

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

Before I dig into certificates and spent hours...

When emails are received by zimbra from our external scanning service - Proofpoint- the header just shows "with ESMPTS"

Received:...

Good day!

There was a problem, I do not know in which direction to dig, tell me, who knows ...

First, a little configuration:

[zimbra@mail...

Hi, everyone!
I'm sending messages to clients from different Python and PHP scripts and the messages are not saved to the accounts Sent Items folder....

Hello everyone,

After a power outage, we were forced to run fsck on our zimbra server. After that operation the server started normally but...

I've problem while importing signatures.
My script:
#!/bin/bash FILES=/opt/import/sig/* for f in $FILES do   signature=`cat $f`  ...

Hi,

I have added a disclaimer to zimbra 8.8.15 as it appears here

But I have problems with some characters are not showed correctly from specific...

Hi,

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

Hello Zimbra Community,

Here is a summary of this week’s conference call. A few brief reminders:

Conference calls are every Tuesday and open to...

Hello Zimbra Community,

Here is a summary of this week’s conference call. A few brief reminders:

Conference calls are every Tuesday and open to...

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...

Hello

I have been fighting for 1 week managing the IMap and POP certificates for my version of zimbra the 8.8.11 GA Release

zimbra is configured...

Hi,

actually i have a zimbra server with centos 7 and Zimbra 8.8.10, i have install a new server with Ubuntu 18.04 and Zimbra 9
how can i migrate...

Hi,

Am getting this error when attempting to restart Zimbra.

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

When restarting with zmcontrol...

Cordial saludo,
Es mi primera pregunta en el foro y solicito de su ayuda.

Administro un servidor zimbra 8.8.15 en ubuntu 16.04, hasta hace un unos...

Good morning, all :-)
How can i enable DMARC and spf checking for incoming mail to my server?

Hello! please help me install Zimlet An error occurs during installation, we really need the function to save messages in .eml

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...

Hi,

Hi! Domain LDAP authentication is configured for an external LDAP source (not AD). Users can validate with their external LDAP credentials...

Have a RedHat 6 fully patched OS running 8.8.15 that was working flawlessly... Saw the critical update and the comments they had it working so...

Every hour keep getting this messages for zimbra stat and mta services start and stop.

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

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...

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...