MX Logic goes after spam at its source

NETWORK WORLD NEWSLETTER: MICHAEL OSTERMAN ON MESSAGING
06/14/05
Today's focus: MX Logic goes after spam at its source

Dear networking.world@gmail.com,

In this issue:

* MX Logic's Sender Reputation Gateway
* Links related to Messaging
* Featured reader resource
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Today's focus: MX Logic goes after spam at its source

By Michael Osterman

We've all seen reports about how spammers are infecting
broadband-connected home PCs to create "zombies" that each pump
out relatively small amounts of spam, but collectively generate
much, if not most, of the spam we get today. One method used by
ISPs is to limit the number of messages subscribers can send,
limiting e-mail traffic to 100 messages per hour or 1,000
messages per day, for example. The problem with this approach is
that it limits legitimate senders who might want to send a few
thousand e-mail messages in a single day to a mailing list,
while still allowing infected machines, en masse, to send
millions of spam messages unfettered.

Clearly, one of the best ways to stop spam would be to prevent
individual, infected machines from pumping out spam, since this
would attack the problem as close to the source as possible.
Further, it would reduce the amount of traffic carried by ISPs
and network operators that today bear much of the spam burden.

MX Logic has developed what it calls its Sender Reputation
Gateway, a device that monitors the behavior of individual
senders to detect infected machines or otherwise spammy
practices. Each customer monitored by the system is given a
reputation score that a service provider can use to correct
problems in its network. For example, it allows the operator to
detect individual zombies among its customer base or those
customers that are intentionally sending out very large volumes
of e-mail on a regular basis.

MX Logic's approach in its Sender Reputation Gateway is to place
a Message Submission Agent in front of the Message Transfer
Agent so that the MSA can free the MTA from processing outbound
traffic policies. The result is a system that MX Logic claims
will provide better and more flexible authentication and
identity management.

MX Logic is planning to put its gateway in beta tests in August
and to release it in October.

RELATED EDITORIAL LINKS

Management vendor develops Exchange tool
Network World, 06/13/05
http://www.networkworld.com/nlmsg2575
_______________________________________________________________
To contact: Michael Osterman

Michael D. Osterman is the principal of Osterman Research
<http://www.ostermanresearch.com/>, a market research firm that
helps organizations understand the markets for messaging,
directory and related products and services. He can be reached
by clicking here <mailto:michael@ostermanresearch.com>
_______________________________________________________________
This newsletter is sponsored by Concord Communications
Network World Executive Guide: The Evolution of Management
Technologies

Network and systems technologies have an important new role -
helping networked systems live up to new business realities.
With growing and shifting demands, network executives are
balancing business goals with prioritizing IT projects. Read
about the 'Future of Management', 'IT Service Management',
'Managing Security', and 'Best Practices'.
http://www.fattail.com/redir/redirect.asp?CID=106655
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