This document compares Zimbra Collaboration Suite (ZCS) to Microsoft Exchange and how to choose between the two. ZCS provides next-generation messaging and collaboration features at a lower total cost of ownership compared to Exchange. It also offers open source transparency and flexibility. While Exchange has been around longer, ZCS architecture is designed for modern web-based paradigms and scales better. ZCS also offers rich clients, integration, and interoperability with Exchange.

1. ZimbraTM Collaboration Suite
& Microsoft Exchange: How to Choose
& Microsoft Exchange: How to Choose
May 2008
May 2008

2. Zimbra Snapshot
Next‐Generation Messaging and Collaboration
Mail, Address Book, Calendar, Mobility, Web Documents/Wiki,
VoIP, RSS, Mash‐ups, Search, Sharing, Web services, …
p g
What Makes Us Different
Innovation – low TCO multi‐tenant administration + rich productivity
Open Source – transparency, community, extensibility
bl
Compatibility – investment protection, flexibility, application
integration
Market Presence
20,000+ customers in 70+ countries by 12+ industry verticals
400,000+ OSS downloads; 15,000+ community members
Partners:
Awards:

3. Example Zimbra Business Customers
Sinclair Broadcasting
YAHOO! CONFIDENTIAL

4. Broad Client Support
Advanced Web Client (Ajax) iPhone
zSync zSync
or xHTML
BlackBerry
Zimbra
Server BES or BIS
zSync
Zimbra Sync
Standards
Standard Web Client (HTML)
J2ME
xHTML
zSync &
iSync & IMAP, POP, iCal, RSS/Atom, CalDAV BB Connect
MAPI CalDAV Palm Symbian
Windows 5
Apple Desktop
Outlook 2003, 2007 Standards Clients

5. Platform Architecture, Robustness & Scale
Exchange
ZCS 5.0 Comments
2007
Platform • Zimbra Solution has been around for 4+ yrs
Longevity • Exchange been around for 10+ years
• ZCS architecture designed ground-up based on
Platform new-age/web 2.0 p
g paradigm & trends
g
Architecture • Exchange core kernel, designed in early 1990s
is not modular, and cannot easily adapt
ZCS leverages more robust underlying
Platform operating environment & proven components
Robustness Reliability and uptime issues plague Exchange
users (avg downtime of 4 hours/month)
ZCS scales to millions of users and gigabyte
mailboxes in production environments
Platform
Exchange architecture limiting; difficult to
Scalability scale to GB mailboxes w/o significant
hardware, training
Company
Financial Market Cap in billions of dollars
Situation
Key = Low = Medium = High

6. Basic Messaging Feature Set
Exchange
ZCS 5.0 Comments
2007
Integrated • Support for email, calendaring & contacts
email
Calendaring, • ZCS also offers web mash-ups (Zimlets) based
integration for improved productivity
Mail, Contacts
• ZCS integrated with proven Spam Assassin &
Integrated ClamAV solutions
anti-abuse • Exchange offers EHF and in-house anti-
spam/virus solutions that are yet to be proven
Ajax (rich) web client access
•
End-User Rich Tagging (categories), flagging , basic search
(categories)
•
Web Access ZCS: Keyboard Navigation, advanced search
•
ZCS: Zimlets, “Rich” HTML client access
•
• Command-line tools, SOAP API access
Admin Tools • ZCS: Web-based any place/any time access
• Windows Mobile devices, Palm Treo, Symbian,
Mobile Devices Blackberry handsets
Support
pp • ZCS: iPhone (Mobile Client via XHTML), iSync
• ZCS: Java-based downloadable client
Key = Low = Medium = High

7. Next Gen Collaboration Feature Set
Exchange
ZCS 5.0 Comments
2007
Unified • Single inbox Voicemail, VoIP access
inbox, Voicemail
Messaging • Exchange: TUI access to mailbox using TTS
• Basic SOAP API for server access
Web Services • ZCS: Web services framework (zSync) for client
Framework & access
Mash-ups • ZCS: Web Mash-ups framework (Zimlets) to
integrate 3rd party enterprise apps
Index & facilitate search of message subject,
body and MS Office attachments
Indexing &
ZCS: Index, search and render in browser over
Search 200 different attachment types
ZCS: Syntactic & visual search options
Integrated ZCS: Built-in Instant Messaging, cross-
IM/Presence application presence (XMPP) and Web
documents
& Documents
Share mail, calendar and address book folders
Sharing & with internal users
Collaboration
C ll b ti ZCS: Share f ld
ZCS Sh folders with external users or make
ith t l k
them public
Key = Low = Medium = High

8. Multi‐Modal Access
Exchange
ZCS 5.0 Comments
2007
Outlook support • Exchange Native MAPI Service Provider
(PC) • Zimbra Native MAPI Service Provider
Apple Mail, iCal,
Mail iCal • ZCS S
ZCS: Supports A l M il iC l iPh
t Apple Mail, iCal, iPhone via IMAP
i
iPhone (Mac) and iSync as well as Sync Services
Web clients IE
support ZCS: Firefox, IE, Safari
Standards-based IMAP4, POP3, ICS, CSV, vCARD
protocols (All) ZCS: RSS/Atom REST, CalDAV
RSS/Atom, REST
Web Offline
Zimbra Desktop (Offline Web Access)
access (All)
()
Key = Low = Medium = High

9. Software License, New Releases & Support
Windows Server
approx 35% of total
Microsoft software
Mi ft ft
cost
Total Microsoft
software costs 72%
ft t
more than Zimbra

10. Servers & Storage
Exchange Sizing: No FE (OWA) server, no blackberry server, no separate domain controller or
active directory box, no recovery storage group storage buffer, no p
y , y gg p g , public folder database
Microsoft solution costs 42% more than Zimbra Microsoft solution storage costs are 106%
g
solution. Also Zimbra’s modular architecture allows more than Zimbra’s. Better IO performance &
deployments to scale horizontally and vertically built-in HSM in Zimbra allow customers to
utilize & organize storage cost-effectively
* 3 years of support (and not 5) included in above numbers

11. Acquisition, Support & Administration Costs
Zimbra Delivers 46% Savings or $4.6M over a Five Year Period
$80 Zimbra TCO Savings
$39.9
Software, New
S ft N
42%
Releases & Support
Avg Total Cost per
User/Year Servers & Storage 49%
including Support
$43
Administration 50%
Costs
$20.0 $3.7
$36.1
TOTAL 46%
$1.9
$21
Source: Administration costs based on report from Radicati Group and Zimbra customers.

12. Comparison of Upfront Costs (Year 1 Commit)
Subscription-based licensing & support model, & lower hardware
requirements significantly reduces upfront costs & investment risk
Zimbra:
$191
Upfront Investment: $1.3M or 24% of total
$39.9
Microsoft:
Upfront Investment: $4.8M or 48% of total
$18.6
$133
Software, New
S ft N
$50
Releases & Support
$20 Servers & Storage
$9.4 including Support
$21
Administration
Costs

13. ZCS Builds on a Strong Open Source Foundation
Zimbra Packaging includes
Server Operating Systems Available:

14. Zimbra Outlook Support
Zimbra
Microsoft
Native MAPI Service Provider
90% Outlook/Exchange
experience
110% Outlook/Zimbra
110% Outlook/Zimbra
experience
Cached Mode (offline, including
GAL)
Delegation+
Exchange MAPI Provider
Zimbra MAPI Provider
Contacts, Calendar, Mail, Tasks
, , ,
Outlook 2003
Exchange Server
Zimbra Server
Outlook 2007

15. Web Services Mash‐ups: Zimlets
Mash-ups to Salesforce, Webex
and other small biz apps …

16. Unifying Users’ Communication Needs

17. Unifying Users’ Communication Needs

18. Unifying Users’ Communication Needs

19. Built‐in Archiving & Cross‐Mailbox Discovery

20. Zimbra Collaboration Suite &
Microsoft Exchange Interoperability

21. ZCS Exchange Interoperability Overview
• Zimbra and Exchange users can view free‐busy
information and schedule group meetings
information and schedule group meetings
– Works within the native UI of each product
– Interoperability is bi directional
Interoperability is bi‐directional
– Unified GAL (auto complete on compose, etc)
• Benefits of ‘mixed‐mode’ deployment
– Doesn’t force mass migration
Doesn t force mass migration
– Freedom of choice among workgroups
– Protect investments
Protect investments

22. Shared GAL & Free‐Busy Interop
Active
Zimbra Exchange
Directory
Server
S Server
S
Exchange
Interop
Zimbra Web or Desktop Client Outlook 2003, 2007 Outlook Web Access Outlook 2003, 2007

23. Composing a Message in Zimbra

24. Composing in Outlook & Exchange

25. Free Busy Interop for Scheduling Meetings
• Zimbra User checks Exchange User’s free‐busy
from the ZCS Web Client
f h ZCS W b Cli
• When Exchange User changes her schedule in
Outlook
• Zimbra User can see the change in the ZCS
Zimbra User can see the change in the ZCS
Web Client

26. Exchange User 1’s schedule in Outlook
‘busy’
‘tentative’
‘free’

27. Check Exchange User’s free‐busy in ZCS
Meeting
Creates new
Availability
scheduled
meeting
looks OK

28. Exchange User changes her schedule
‘tentative’
to ‘busy’

29. Zimbra User checks again, free‐busy has
changed
No gym
today!

30. Exchange Migration Wizard Exchange
• Use it to Migrate Email, Calendar and Address book
information from the Exchange server to Zimbra.
information from the Exchange server to Zimbra
• The Wizard supports migration from Exchange 5.5,
Exchange 2000 and Exchange 2003.
• The Exchange migration wizard performs the
following actions:
– Creates the user account on the Zimbra server, if it does
not already exist
– Imports email messages, attachments, calendars, and
p g, , ,
address books
– Creates a log file for troubleshooting any import errors or
warnings

31. Zimbra vs Exchange: How to Choose
Zimbra Collaboration Suite – Value Drivers
Innovation Collaboration Low Cost Integration
Cost effective
Innovative Web 2.0- Collaborative Zimlets-based
solution that
based features and experience integration with
leverages proven
multi-modal access accessible to users partner systems
open source
options provide a anyplace, anytime improves employee
technologies and
unified that store user data productivity and
commodity
communication in the cloud reduces end-user experience
hardware reduces
experience to end- support costs
overall TCO
users

32. Summary
Free 60‐day Free Network Edition Trial
http://www.zimbra.com/products/download_network.html
Request detailed comparison of ZCS & Exchange
– Download Network Trial today
– C t t U htt //
Contact Us: http://www.zimbra.com/about/contact_us_form.html
ib / b t/ t t f ht l
Browse through ZCS Documentation
http://www.zimbra.com/products/documentation.html
Join the Zimbra Forums
http://www.zimbra.com/forums
Questions or Comments
sales@zimbra.com vkadakia@zimbra.com

33. Thank you!