Zimbra Collaboration Suite (ZCS) is a groupware product created by Zimbra, Inc., located in Palo Alto, California, USA.

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Easy to Administer Open Source Groupware Appliance for Virtual Environment

I'm looking for a virtual appliance that supports all features of a groupware and takes care of OS updates, etc. automatically or via the administration UI. Zimbra has all the features, but is lacking ...
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Backing up the open-source edition of Zimbra mail

Background: We run the open-source edition of Zimbra mail (5, not 6 yet) and while it's not something that we want to encourage (prevention is better than a cure), we currently have no way of backing ...
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3k views

How do I make changes to spamassassin under zimbra?

We are running a zimbra installation which uses spamassassin to filter mail. I have not installed this myself so I am not completely sure if this is a plain vanilla installation. The zimbra ...
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1answer
3k views

LDAP + Zimbra authentication

I'm trying to configure external LDAP authentication from my LDAP box through Zimbra. Both servers are running on CentOS. The Zimbra wiki has documentation but it's still leaving me puzzled. ...
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68 views

Advice for migrating email server

I'm planning to migrate a Zimbra server with about 200 GB of data from a server hosted in an office into a datacentre, to increase uptime (we've had a couple of outages when our network here started ...
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Upgrade Zimbra Server from 5.0.23 to 6.0.6.1

What are the most important points when upgrading a Zimbra server? Is there an upgrade guide? Zimbra is running on a CentOS5 server. For now I think about the following steps: Backup Zimbra Stop all ...
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1answer
842 views

why my mails from zimbra server to yahoo goes in to spam folder

I just configured zimbra mail server but mail from my zimbra to yahoo, hotmail etc going into there spam folder any suggestion??? bellow is header part from yahoo of that mail X-DSPAM-Result: ...
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Why is my Zimbra mail going into the spam folder of yahoo, hotmail etc.?

All mail from my new Zimbra mail server is going into spam and junk folder of Yahoo or Hotmail. Any suggestion to deliver them direct into inbox? Below is the header part of my mail from yahoo... ...
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Does Folder wise mail fetching possible into zimbra (postfix) from old server

I had succefully fetch all my old mail server mail in to new zimbra mail server (postfix) using fetchmail...but all mails goes into inbox insted of specific folder.... So does folder wise mail ...
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Can I receive mail at another port like 465 instead of default 25 on my mail server?

My Zimbra mail server, which uses Postfix, is working fine. I am able to receive mail at 25 from Yahoo, Hotmail etc., but if I block my 25 port for incoming then mail will stop to come into my mail ...
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Zimbra pop3 not accepting connections

We have a new Zimbra server (Release 5.0.18_GA_3011.UBUNTU8 UBUNTU8 FOSS edition) running and it was working great until we changed the host name following documented procedures. Now the server is ...
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how to move zimbra mail to OS X server mail

I have just purchased a mac server 10.6 and would like to migrate my zimbra imap folders for all my users to the mac. Is there an easy way to do this or do I have to go through the copy paste using ...
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Weird mail problem

There is a weird problem that I cannot think of any solution. There is a mail server Xs that has couple of domains on it and it is in Datacenter Xd. And there is a mail server Ys that has couple od ...
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1answer
2k views

Zimbra - NFS vs. iSCSI

We are going to be migrating our mail server from postfix/courier to Zimbra over the next few months. We've run a prototype server over an iSCSI LUN exported from a Dell Equallogic quite successfully. ...
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New Zimbra accounts cannot login

I'm using Zimbra Collaboration Suite 5.0.11 and it's been working pretty well until yesterday. I've added a new mail account using the administration console with no errors. But when I try to login ...
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Who uses Zimbra Collaboration Suite and why?

I am really curious about other people experiences and choices. After a long scouting, I found ZCS to be a really impressive solution, maybe the only real alternative to M$ Exchange. I'm very ...
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2answers
889 views

What is the best process to automate Zimbra deploy using cobbler+puppet?

I set up a fully working cobbler server on a RHEL5 machine. This is able to deploy a new server on bare metal machine, partitioning the disks, using LVM and creating as much virtual machines as I ...
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Zimbra installation not working

Symptoms : our mail server, a dedicated Fedora server with zimbra, stopped working, in such a way we couldn't even log in with SSH. Soft reboots, through our web admin console, did make it work again, ...