eWall is a Microsoft Windows based gateway between the
Internet and your mail server. It monitors the SMTP
traffic in real-time, catching the majority of spam
and viruses. The chain of flexible filters stops more
than 95% of unwanted emails out of the box (more than
99% with Message Sniffer), dropping the mail server
load by more than 90%. eWall doesn't require
maintenance and includes optional self-updating
components (ClamAV, Message Sniffer), that seamlessly
work with and protect your mail environment from spam
and viruses 24 hours a day, 7 days a week.

eWall is built on top of time-proven and reliable
technologies. PHP is used as a flexible and powerful
scripting engine, allowing you to write filters of any
complexity. Any standard PHP drivers or libraries can
be used in eWall's event-driven environment. The
powerful PostgreSQL database is used to keep the
statistics and index quarantined messages, emails and
IP-lists, and track the session history. XML-RPC
transport is used to manage and watch the eWall

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