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2008
Springer

Tracking Email Reputation for Authenticated Sender Identities

9 years 9 months ago
Tracking Email Reputation for Authenticated Sender Identities
With the amount of unsolicited emails on the rise, domain authentication schemes have been widely deployed to identify senders. Establishing a sender's identity does not guarantee its adherence to best practices. To maintain a history of sender activity, in our prior work, we had proposed RepuScore: a collaborative sender reputation framework and demonstrated its effectiveness using simulated logs. In this paper, we share our initial experience in deploying RepuScore along with its SpamAssassin plug-in that we recently developed. From the deployed RepuScore, we learned that a variation in the received email volume disguises the real reputation of the sender. To solve this problem, we propose VolumeEnhanced RepuScore that, in addition to spam rate, considers the received email volume. Based on the deployment since 10/9/2007 at two organizations, we show that: a) RepuScore data can be used to identify authenticated senders and classify their emails. Using the computed reputations f...
Gautam Singaraju, Jeffrey Moss, Brent ByungHoon Ka
Added 12 Oct 2010
Updated 12 Oct 2010
Type Conference
Year 2008
Where CEAS
Authors Gautam Singaraju, Jeffrey Moss, Brent ByungHoon Kang
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