Yes, you can if you are not using the Zimbra Appliance Edition. The web server and Zimbra server ports (namely Port 80 and 443) must be configured to not conflict. This can be done by assigning multiple addresses to the server, allocating one IP to Zimbra and the other to the web server. Or by allocating Zimbra to respond to HTTPS (Port 443) only and the web server to just HTTP (Port 80).
Order fulfilment is 3 to 5 business days. You will be emailed a Zimbra license key directly from Zimbra. You then install the license key on your Zimbra server using the Zimbra Web Administration Panel.
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Daily. Two full backups are performed weekly and an incremental backup is performed every day.
A Instant Messaging client is available in the Zimbra Webmail client as well as Zimbra Desktop. Zimbra Instant Messaging uses the Jabber protocol so any Instant Messaging client that supports Jabber can be used.
Absolutely, see the Zimbra roadmap and for more detailed information, try the Zimbra Product Portal which contains the schedule for new features, bug fixes and feature requests.
If you want to enable this option for ALL users in your domain, then this is done in the Zimbra Administration GUI by updating the relevant Class of Service configuration. If you want to enable this option for an individual account by changing their mailbox preferences.
To install a new CentOS 5.6 server x64 / i686, Agilemail recommend the following steps.1. Download and burn to CD or mount the required ISOs. You will only need CD1 and CD3.http://centos.mirror.aussiehq.net.au/5.6/isos/x86_64/CentOS-5.6-x86_64-bin-1of8.isohttp://centos.mirror.aussiehq.net.au/5.6/isos/x86_64/CentOS-5.6-x86_64-bin-3of8.isoAll the ISO images are available on http://centos.mirror.aussiehq.net.au/5.6/isos/x86_64/Then during the installation process:2. You can SKIP the testing of the CD media step. This is not required.3. Make the logical selections for language, keyboard layout and timezone.4. Network should be set to a static IP address.5. Partition as required.6. Unselect ALL default software packages. 7. Choose to Customize Now the software packages. 8. Software packages, select: Base System, Base only. Unselect all others. 9. You should see a confirmation of the required media, CD1 and CD3. If not then go back a step. 10. Continue with the installation.Once the CentOS software has been installed:11. Login as root, run software updates, yum -y updateYou now have an up to date, minimal CentOS server ready for Zimbra installation.
Yes you can use the server for other functions. Zimbra installs all the necessary software required to function and so there will be Port conflicts between such common applications as LDAP, web and email services if they are already on the server. The solution in this case is to have the services run on either unique ports or bind to different IP addresses.
Here are some resources to help you: Zimbra 7 versus Exchange 2010 (PDF) Embrace and Extend: Making Open Technologies Displace Incumbents in the Enterprise by Kevin Henrikson (good overview of Zimbra) Zimbra vs Microsoft Exchange a feature and cost comparison Zimbra versus Microsoft Exchange 2008 Zimbra versus Microsoft Exchange 2007 ZDNet Australia, Top Alternatives to Microsoft Outlook CNET Apparently Microsoft prefers Zimbra, too CNET Microsoft's curious infatuation with Zimbra, redux We have also collated various Zimbra presentations and these are available on slideshare.net/agileware There is also a great collection of case studies and webinars available at http://www.zimbra.com/about/webinars.html Agileware can also provide customer references, trials and consulting to help you with your business case.