ZIMBRA ROADMAP

Contains proprietary and confidential information owned by Synacor, Inc. © / 2015 Synacor, Inc. Deliver an advanced, feature rich collaboration platform across all devices. Allowing for high levels of safety and security in communications. Services that can be scaled and managed easily, supporting the needs of the smallest mailbox environments to millions of mailboxes. A wide range of applications built on top of an Open Source core to support collaboration. Advanced services augmenting the product. ZIMBRA ROADMAP VISION & MISSION 2

Contains proprietary and confidential information owned by Synacor, Inc. © / 2015 Synacor, Inc. User Interface Deliver an advanced, feature rich collaboration platform across all devices. Privacy & Security Allowing for high levels of safety and security in communications. Scalability & Manageability Services that can be scaled and managed easily, supporting the needs of the smallest mailbox environments to millions of mailboxes. Applications & Services A wide range of applications built on top of an Open Source core to support collaboration. Advanced services augmenting the product. ZIMBRA ROADMAP PRODUCT FRAMEWORK 3

Contains proprietary and confidential information owned by Synacor, Inc. © / 2015 Synacor, Inc. ZIMBRA PRODUCT FRAMEWORK USER INTERFACE Desktop Browsers (Advanced/Basic) Desktop Program (Zimbra Desktop) Mobile Webmail Zimbra Outlook Connector 4

Contains proprietary and confidential information owned by Synacor, Inc. © / 2015 Synacor, Inc. USER INTERFACE CONSUMER UI 5 New Webmail interfaces focusing on Usability Existing Zimbra Interface designed around Enterprise and High Feature visibility Next Generation Zimbra UI to be written using modern design standards and focus on usability over features HTML5/Responsive – Desktop UI as well as touch based tablet and phone based

Contains proprietary and confidential information owned by Synacor, Inc. © / 2015 Synacor, Inc. ZIMBRA PRODUCT FRAMEWORK PRIVACY & SECURITY SSL/TLS Client Protocols Inter-process SSL SPF/DKIM S/MIME AntiSpam/AntiVirus 6

Contains proprietary and confidential information owned by Synacor, Inc. © / 2015 Synacor, Inc. PRIVACY & SECURITY ENCRYPTED Encrypted key aspect of business Various commercial and free add-ons exist to try to fill this gap Many are flawed Adoption is fairly low Provide a robust, but easy to use, encryption platform Enterprise Key Management Data at Rest Encryption Full end to end encryption 7

Contains proprietary and confidential information owned by Synacor, Inc. © / 2015 Synacor, Inc. ZIMBRA PRODUCT FRAMEWORK SCALABILITY & MANAGEABILITY MultiMaster LDAP Multi-server Cluster Multi-tenancy HSM Management Console Backup/Recovery 8

Contains proprietary and confidential information owned by Synacor, Inc. © / 2015 Synacor, Inc. SCALABILITY & MANAGEABILITY UPDATED MANAGEMENT CONSOLE Existing Management Console has gaps Customers using Third-party options to fill the gaps Many Service Providers build out their own tools Zimbra has a robust CLI/API for management Update the web console to better leverage those existing management interfaces Have the existing gaps filled with Zimbra core console options 9

Contains proprietary and confidential information owned by Synacor, Inc. © / 2015 Synacor, Inc. SCALABILITY & MANAGEABILITY ZIMBRA 24X7 Goals Decouple mailboxes and provide infrastructure fault tolerance Enable rolling upgrades to minimize or eliminate customer service disruptions Approach Release incremental improvements to the system to avoid risk Address the most difficult problems first Focus on distributed architecture and reducing complexity Implementation New Core component to Zimbra Server Framework for Distributed Cluster Services (based on Raft Consensus) Allows for concurrent and asynchronous interaction w/ Mailbox resources 10

Contains proprietary and confidential information owned by Synacor, Inc. © / 2015 Synacor, Inc. ZIMBRA PRODUCT FRAMEWORK APPLICATIONS & SERVICES (Folders/Tags) Contacts | Calendar | Tasks Briefcase Full Text Search Zimlets Migration 11

Contains proprietary and confidential information owned by Synacor, Inc. © / 2015 Synacor, Inc. APPLICATIONS & SERVICES ZIMBRA CHAT Rich chat experience integrated in the ZCS web client Embedded Click-to-chat in contact cards Integrated presence throughout experience Pin a conversation to favorites list Search for contacts to initiate conversations Supports popular XMPP servers – v1 Ejabberd, OpenFire, mongooseIM Peer to peer chat Chat with any XMPP enabled user View chat history and missed chats Built in Zimbra Secure Chat Service – v2 Rich real-time collaboration – Voice/Video - v2+ 12

Contains proprietary and confidential information owned by Synacor, Inc. © / 2015 Synacor, Inc. APPLICATIONS & SERVICES SOCIAL INTEGRATION More meaningful contacts via social integrations Social Networks provide a wealth of information for creating more meaningful contact lists Allow users to ‘sync’ their contact list with their social networks Provide a view into the Social Network for their contacts and their communications 13

Contains proprietary and confidential information owned by Synacor, Inc. © / 2015 Synacor, Inc. APPLICATIONS & SERVICES PRODUCTIVITY End Users struggle to get relevant information quickly from their mailbox Current attempts to add process or end user tools to solve: this but put the effort on the end user Through techniques like Natural Language Process and Machine Learning we have the tools provide relevancy to the user Learn user behavior to provide indicators of important mail specifically for that user Provide a quick view of relevant info for the user without having to dig into the 14

Contains proprietary and confidential information owned by Synacor, Inc. © / 2015 Synacor, Inc. APPLICATIONS & SERVICES REST API Updated RESTFUL API Provide an easy to develop against API Turn the Zimbra mail server into a easily accessible data source for application integrations Consumer UI built on top of REST API 15

Contains proprietary and confidential information owned by Synacor, Inc. © / 2015 Synacor, Inc. 1H 2016 CHAT & MOBILITY Integrated Chat Client Native Mobile Apps (iOS & Android) Open Source Packaging ZIMBRA COLLABORATION ROADMAP v8.7 vNext vFuture 16

Contains proprietary and confidential information owned by Synacor, Inc. © / 2015 Synacor, Inc USER INTERFACE New Consumer/Modern Desktop UI Option Mobile App – Tablet PRIVACY & SECURITY Two-Factor Authentication Advanced Anti-Spam Protection Enterprise Encryption Key Management SCALABILITY & MANAGEABILITY HA Reference Architecture Zimbra 24x7 – Phase 1 Improved Multitenant Management Console APPLICATIONS & SERVICES Secure Chat Server Full REST APIs ZIMBRA COLLABORATION ROADMAP vNext vFuture v8.7

Contains proprietary and confidential information owned by Synacor, Inc. © / 2015 Synacor, Inc USER INTERFACE Productivity UI Updates PRIVACY & SECURITY Data at Rest Encryption End to End Encryption Improved Security and Compliance Logging SCALABILITY & MANAGEABILITY Zimbra 24x7 – Phase 2 New Backup and Recovery APPLICATIONS & SERVICES Improved Briefcase Zimlet SDK Update Productivity Improvements Social Media Integration Unified, Open Source Code ZIMBRA COLLABORATION ROADMAP vNext vFuture v8.7

Contains proprietary and confidential information owned by Synacor, Inc. © / 2015 Synacor, Inc. THANK YOU Contains proprietary and confidential information owned by Synacor, Inc. © / 2015 Synacor, Inc. 19