Asterisk Technologies, P.O BOX 20813 Nairobi, 00100



We implement state of the art Secure Email server solutions based in Red Hat Entreprise linux, Centos,Debian, Ubuntu, FreeBsd and OpenBsd. They come with several benefits as outlined below:

administrative benefits

Lower Overhead Management

Native Hierarchical Storage Management or Information life cycle Management( HSM / ILP )

Multi-domain support and administration on a single node.

Online single mailbox restore to point-in-time.Online mailbox moves (and backups)

Rich, zero footprint, AJAX- based administrator interface (cross browser/OS)

Dashboards for real-time system activity.

Comprehensive command – line tools.

SOAP APIs for every administrative action.

Compatibility with Existing Infrastructure

Web Services – Full API for easy Bi- directional integration with enterprise applications like CRM, ERP, etc

Client – Outlook, Mobile, IMAP,POP,iCalendar,RSS etc

Directory – active Directory/LDAP integration, provisioning support

Messaging Server- Co-existance and migration tools(including Microsoft Exchange)

Server and Storage Consolidation

Substantial reduction in managed storage – One copy of email & attachments per server (rather than one per user or one per storage group).

Substantial increase in the number of users per CPU.

Multi – level caching and optimization of underlying system.


Web security model – Single sign-on, TLS/SSL, no VPN required.

Secured attachment opening and HTML rendering

 SpamAssassin and ClamAV included Compatibility with existing anti-spam/anti-virus (via Postfix & amavisd-new)

Open Solution

Open source

Open formats – One MIME message per file means Zimbra storage is not opaque to sys. admin. or operating system utilities


End user benefits

Extensible model for linking message content to external web services and applications 

Substantial increase in the number of users per CPU.

Multi – level caching and optimization of underlying system.

Intranet – ERP, CRM, Support, Finance, HR, VoIP phone, etc.

Internet – Google/Yahoo Maps, Skype, Travel, Package Tracking, etc.

Freedom of Client Choice

Browser – Zimbra Ajax clientPC Client – Outlook (Online, Offline, Cached Mode), Apple Mail and iCal, Eudora, Evolution, Thunderbird/Sunbird, RSS, etc.

Mobile – Wireless devices “over the air” synchronization: Blackberry (via partner solutions), Palm, Nokia, Motorola, Good, PocketPC, etc.

Comprehensive Calendering

Group scheduling with free/busy management and controls

Multiple calendars per user

Calendar delegation and sharing

Multi-calendar views

Subscribe to external calendars in .ics format

Any place any Machine

Rich, zero footprint, AJAX-based end-user interface (cross browser/OS)

Security sans VPN

Secure, read-only access to attachments without special-purpose client software

Efficient Context Switching

Quickly view/create calendar appointments while in mail

Quickly create/edit contacts while in mail

Quickly view sender’s website while in mail

Self Organizing Mail boxes

Powerful, fast search (including messages and attachments)

Saved searches across folders

Conversation views across folders


Modern Collaboration Styles/Formats

RSS/ATOM feeds