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

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6answers
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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 ...
5
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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. ...
3
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9answers
1k views

Why should a small business company have its in-house mail server?

I really don't get (because of my ignorance, of course) the advantage of having another service to update, check, mantain, backup and so on... When you have outstanding services like gmail where you ...
3
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2answers
2k views

spam from your own email?

I have recently been receiving spam that has been listed as my own email address. I remember doing a few telenet emails back in school and know there are some ways to send looking like they are coming ...
3
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2answers
3k views

Zimbra Relaying from Postfix connection timed out sending multiple emails?

I have a web server setup with postfix which is relaying email to a zimbra server. This working fine however I have attempted to send a few thousand emails and now the connection from postfix to ...
3
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3answers
2k views

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 ...
3
votes
2answers
914 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 ...
2
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3answers
4k views

Email Server IP Address is Blacklisted

we have a Zimbra Mail server that was being used for 2 months now. the last week we faced a problem that the Public IP that was being used for our mail server started to be blacklisted and we couldn't ...
2
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2answers
110 views

How do you separate emails for different roles an individual has?

I work at a university, where we have staff members who can also teach as an adjunct faculty member. We issue an account for the individual based on their name, so Joe Smith would get ...
2
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2answers
235 views

New email system

I am in charge of planning a new email system for my company of about 150 users and we are looking for email solutions. We are looking to host the email in-house, and we are kind of looking towards ...
2
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1answer
908 views

export user maildir from zimbra

I need to export all one specific account e-mails in "raw" format from Zimbra server. POP3 is not an option because it is needed for legal department usage and they insist that they want users ...
2
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1answer
2k views

Zimbra ZCS 7.2.1 MTA Deferring e-mail

Zimbra 7.1.2 and the MTA seems to be deferring e-mail when it is received. Oct 1 09:35:42 www postfix/error[16614]: 5FB8C1A803EE: to=<xxx@xxx.xx>, relay=none, delay=0.15, ...
2
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1answer
2k views

Outbound Email Loadbalance with Multiple IPs

I want to loadbalance outbound emails via multiple IPs, is there any built-in tool or some easy way to do it with postfix, sendmail or exim? for example if I assign three IPs to the email server and ...
2
votes
1answer
158 views

Migration from Instance store instance to EBS Backed Instance on Amazon EC2

We have a cloud server on Amazon EC2. Our old admin setup the DNS and Mail Server on one server that is working fine but I just realized now that the instance is on Instance store not an EBS backed. ...
2
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4answers
899 views

Best Linux Email solution for small business migrating from Exchange

We currently have approximately 50 users in an Exchange 2003 environment. We have about 25 users who get email via iPhone or other smart-phone. Currently, we are pushing the Exchange database cap (70 ...
2
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1answer
2k views

Zimbra MTA settings

Hi have some questions for Zimbra v8.0.6GA. Under Configure -> MTA -> Network, I'm seeing a few settings and am not very clear what to do with them. Web mail MTA Host name Is this for delivering ...
2
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0answers
200 views

Importing ICS into Exchange

We are importing a number of .ics files generated by Zimbra into a new exchange infrastructure. When we do this using Outlook for Windows, Outlook for Mac or iCAL appointments with multiple attendees ...
2
votes
1answer
112 views

Can I link directly to an email in a user's zimbra webmail client?

I'm using Zimbra's handy RESTful xml API (http://wiki.zimbra.com/wiki/ZCS_6.0:Zimbra_REST_API_Reference:Get_Folder) to pull down important emails from a user's email account. I'd like to make them ...
1
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4answers
2k views

Problem migrating from Dovecot to Zimbra

Dovecot provides a master login (a master user name and password that can log into all user accounts). I've setup Dovecot as per: http://wiki1.dovecot.org/Authentication/MasterUsers Here's my ...
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2answers
6k views

Install Zimbra, can't use current hosts file

I'm trying to install zimbra on a linux server. I downloaded the Ubuntu 12.04 LTS version of zimbra, unpacked and tried to run install.sh. But after I have approved the license I get this problem. ...
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1answer
200 views

Email hosting for corporate as well as Bulk sending needs

I have to send around 1000 emails daily to my clients. These emails are basically the Price alerts of the Exchange they have subscribed to and are very critical for them to receive on time. I already ...
1
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3answers
2k views

Zimbra and Postfix: configuring a catch-all mailbox/domain

I'm not new to Postfix, but am new to Zimbra. I've seen this answer on changing Postfix parameters, and this article on how to configure a catch-all domain in Postfix. What I need to find out is how ...
1
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2answers
960 views

Broken Zimbra after securing SSH

I have a CentOS 5.7 server with Zimbra installed and all was working fine. I just secured SSH by: changing to another port denying root login enabling StrictModes changed AllowUsers to only 1 user ...
1
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2answers
246 views

BIND9 DNS forwarding with split horizion

I am trying to figure out what to do about my Zimbra server's DNS. According the Zimrba wiki they recommend that I install a copy of something like BIND on the server itself so Zimbra can handle the ...
1
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2answers
473 views

Does each domain have to be tied to a unique IP address when using SSL certs?

I have a Zimbra ZCS 7.1.3 server it running the OSE version. The server hosts 4 domains for email. Each of the email domains has its own SSL cert that is self generated. Something that has sort of ...
1
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1answer
4k 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. ...
1
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1answer
38 views

Change path name to admin page in Zimbra

I have installed Zimbra on CentOS 6.4. Now I would like to change the path to the admin page from: https://mail.domain.com:7071/zimbraAdmin/ to https://mail.domain.com/admin/. So can I do this, and ...
1
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2answers
172 views

Flush all messages in mailbox from Zimbra to another server

I have a primary Dovecot + Postfix mail server and a secondary Zimbra 8.0.1 server. The primary server went down for a week and all the incoming messages were delivered to the secondary server which ...
1
vote
1answer
1k views

Zimbra 7.2 reverse proxy to arbitrary internal website?

I have ZCS 7.2 opensource installed at webmail.domain.com and mailman on mailman.domain.com/mailman. I wanted to setup a proxy so that when someone goes to webmail.domain.com/mailman, the proxy ...
1
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1answer
183 views

some Zimbra project planning questions

I am planning to deploy a ZCS machine in a remote DC on colocation. Using the latest Community edition Hardware: 2x SAS disks for OS in raid1, 8x SAS disks in raid10 for Zimbra, 32Gb RAM 8 CPU ...
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2answers
406 views

How do append a CA to an SSL certificate?

I am trying to setup an SSL cert for a domain on my Zimbra server. When I go to the place where it wants to me to paste the certs into the borwser windows it pops up a little warning message that ...
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1answer
2k views

how to remove auto_bcc in Postfix (Zimbra)

Hi I added a auto_bcc in my postfix config, and now I don't know how to remove it. This is what I did: Per user bcc for Zimbra in /opt/zimbra/postfix/conf, create a file called sender_bcc and added ...
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1answer
941 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: ...
1
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1answer
3k views

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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1answer
161 views

Ubuntu Upgrade, Perl Version Broke ZImbra

Kind of in a bind here, since I heard about the bash bugs last night I decided on upgrading all off my server, not just the packages but the complete OS, it worked fine on all my servers, except my ...
1
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1answer
96 views

Restore Zimbra Mail Server from Server that crashed

I had a Zimbra installation which crashed due to Hard drive failure. The Zimbra was version 5. My backup was not good and so I did a fresh install and now I have managed to get the /opt/zimbra folder ...
1
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1answer
194 views

How to bulk create/disable/delete zimbra accounts using php?

We have a zimbra mail server for the members and all members have e-mail addresses which we give them to use our services like signing in the wireless network and etc.. Memberships are temporary. We ...
1
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1answer
1k views

Zimbra outgoing email forwarding/ redirecting from internal to external domain

How can I automatically forward outgoing emails to a different domain? As an example, a user sends an email to 1234564@fax.mydomain.com and I want the exact email forwarded outside mydomain.com to ...
1
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1answer
358 views

Zimbra open source experiencing unexplained slowdowns that are resolved only by rebooting

Our zimbra server is experiencing unexplained slowdowns every couple of days that are only resolved after rebooting the server. From the end user's perspective, if they are using webmail and they send ...
1
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1answer
2k views

external postfix forwarding to zimbra server

I want to migrate from my current mail server (old_server) for my domain mydomain.com. old_server setup is Postfix+LDAP+Cyrus. Now I want to migrate my domain mail to Zimbra server (zimbra), but I ...
1
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1answer
2k views

Installing Zimbra ZCS

I was looking through some tutorials on how to install Zimbra ZCS on Ubuntu. Mainly I kept coming across this one. I had two question related to the installation, Zimbra only has an "Official ...
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1answer
5k views

Zimbra: changing postfix parameters

I would like to change mynetworks Postfix configuration parameter in Zimbra 7 on Debian GNU/Linux 5.0. I tried the following (as zimbra user): $ zmlocalconfig -e postfix_mynetworks="127.0.0.0/8 ...
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1answer
656 views

Problem moving zimbra to a new disk

I've a Zimbra Release 6.0.8_GA_2661.DEBIAN5 DEBIAN5 FOSS edition installed on a Debian 5.0. My main disk was running low on space, so I've mounted an additional disk, shutted down zimbra, rsync-ed ...
1
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1answer
828 views

How can Monitor Linux zimbra mail traffic ( in and cout )?

I configured zimbra mail server in linux. Is there any way to monitor e-mail traffic through linux server. Or any way to monitor spam activities on this zimbra mail server. Thanks for the great help. ...
1
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1answer
114 views

Connect Liferay 6.1.1 to LDAP Zimbra from Virtualbox

I want to connect liferay to zimbra in Virtual Box and I need to fill this form : ![Capture of liferay try to connect to ldap in VB] http://i.stack.imgur.com/cUOuV.png I got the url and password ...
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1answer
603 views

User login URL for newkly installed Zimbra mail server

I have managed to install Zimbra 8.0.7 on my Ubuntu 12.0.4 LTS server (I had to rebuild my machine and reinstall the OS, so that no other servers other than Zimbra are running - how to reinstall ...
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0answers
221 views

zimbra 8 policyd failed SMTP login increments quota counter

I am trying to set up a policyd policy in Zimbra that sets a max number of outbound emails for a given sender (user@domain). I was testing it with a simple script to log into the SMTP server and send ...
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0answers
1k views

What does AuthForwardServerList do?

A bit of context, we have several Windows 7 clients connected to an LDAP backed Samba PDC. We also have a Zimbra 8 server that authenticates off the same LDAP. When users logon to the Windows 7 ...
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1answer
257 views

Redundant mailservers. Route messages from internal users to secondary site

I have 2 mailservers running ZIMBRA (primary - site1) and (secondary - site2) in two separated locations (sites). When my primary mailserver in AVAILABLE the seconray are just syncing (rsync) with ...
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1answer
1k views

Sharing port 80 between Zimbra and Apache

I'm using zimbra 6 (6.0.8_GA_2661.RHEL5_20100820051652 CentOS5) on CentOS 5 server Zimbra is working fine. Now I want to host some files on Apache. I'm referring to this document on how to run ...