Strong backend, scalable from thousands to millions mailboxes.

Native integration with front-ends in the market place.

Provisioning system using LDAP or SQL databases.

Interfaces with most antivirus / antispam tools in the market place.

Support of all standard messaging protocols: SMTP, ESMTP, LMTP, POP3, IMAP4, MIME, ...

E-mails SIEVE filtering; SMS notification, transfer to fax.

Security support of SSL, TLS, DES, MD5 and PKI.

SMTP security and protection system: automatic blacklisting, antiflooding tools, rate controls, SPF, XBL/SBL.

Role-based multilevel management environment for system administrators.

Easy development of next generation services and applications. Easy integration with legacy systems.

Installation on Linux and Solaris on multiple instances.

Global usage: UTF-8 character encoding, times zones.

High throughput of transactions, logging, statistics and tickets for billing.

Provisioning interfaces available: HTTP/XML, Telnet.

Enhanced management tools: web interface, periodical activity reports.

Enhanced technical administration tools: SNMP traps, alarms, logfiles.