BarricadeMX Plus Haraka (resend)
steve at fsl.com
Wed Jan 30 13:43:18 GMT 2013
Sorry for the formatting errors in my first post (a Thunderbird ate my
homework) and this subsequent wasted bandwidth.
We are very pleased to announce that a major update for our BarricadeMX
Plus application has just been released. BarricadeMX Plus is used
primarily by ISPs and larger sites that accept mail for multiple domains
and need to delegate the configuration of email processing and anti-spam
filtering to multiple domain administrators and end user
This upgrade replaces our existing level one SMTP filter (smtpf) which
was written in multi-threaded C, with a new filter based on Haraka
<http://haraka.github.com>. The details of this upgrade can be found
Haraka is a relatively new open source SMTP server written in Node.js,
run-time engine used in Google Chrome. In recent benchmarking, a single
Node.js server gracefully handled over 1,000,000 concurrent HTTP
connections thanks to it's event-driven nature.
BarricadeMX Plus implements the new Haraka anti-spam filter as the SMTP
application which accepts or rejects incoming email in front of a web
based version of MailScanner. Typically well over 50% (usually more like
90-95%) of incoming messages are very efficiently rejected during the
initial SMTP session substantially increasing span detection accuracy
and considerably reducing the number of messages that need to be
processed by MailScanner .
These rejected messages are immediately returned to the sender with a
Non-Delivery Receipt containing a link that allows valid senders to
white list their address and resend the email in the unlikely event the
rejection was a false-positive.
Please visit our web site at www.fsl.com for more information, online
demos or on-site demo/test installations.
You can also follow the open-source development of Haraka at GitHub
Fort Systems Ltd.
steve at fsl.com
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