- Business-class email for secure communication. - Complete control over security and privacy. - Collaborate anywhere, from any device. - Extend collaboration with an open platform. - Avoid downtime with high availability. - Flexible deployment options. - Lower TCO. - Build strong employee networks, enhance customer support, and build brand loyalty with Zimbra Community. - Secure employee social networks. - Simple file sharing. - Secure file sync and share - Available on mobile and tablets.

Archives all incoming, outgoing and internal emails Archives calendar (iCal) and contact (vCard) data Define archiving rules Attachment de-duplication Message de-duplication Archive compression (±60%, ZIP) & encryption (AES-128) Multiple disk/volume support Removeable disk support Auto volume creation per month/quarter/year/size In built recovery queue Live and scheduled archive backup Data stored in compound archive files (easy to manage) Search entire company, department, user emails Easy search for beginners Expert search using query language Save and restore search queries Automated searching per time period; results delivered by email Infinite scrolling across all archived information Search inside Word, Powerpoint, Excel, PDF, RTF, ZIP, tar, gz and Open Office attachments Synchronize and display Microsoft Exchange folders Time machine - View change in folder structure over time Import and display PST folders Export emails en bulk to file Restore emails en bulk to mail server Print emails en bulk Delete emails en bulk (authorized user only) View emails and header information Social charts (depicts relations between users) Advanced statistics over selected period (e.g. attachment size/type etc.) Message conversation threads Email Compliance Define retention policies Index and display journal envelopes Generate comprehensive journal reports in PDF/TIFF format Auto & Manual Tagging - Group emails into cases and recall as needed Legal Hold - Protect emails from being deleted by retention policies Send alert on content match Access to archive from web console Active Directory and basic authentication LDAP, Google and iMail authentication Windows single sign-on authentication (NTLM v2) Fine grained access control Theming engine with skinnable interface Inbuilt SMTP server Inbuilt Sendmail / Postfix milter server Inbuilt POP / IMAP client Web services API Monitoring Search through detailed audit logs Email status alerts Real-time status info Real-time status charts Standard JMX monitoring interface MS Exchange / Outlook Message attachment stubbing Access archive from Outlook (Outlook plugin) Multiple Exchange servers Multiple Exchange stores and much more...