Spam!

Cranor, Lorrie Faith; LaMacchia, Brian A.

doi:10.1145/280324.280336

Cited by 219 publications

(119 citation statements)

References 6 publications

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“…Casual evidence is consistent with our claim that there is non-trivial demand for much spam: Cranor and LaMacchia [1998] show that the largest fraction of spam content is commercial advertising for products hard to find through other advertising channels. We refer to these as "censored" commercial solicitations.…”

Section: Introductionsupporting

confidence: 87%

“…The proposals include rule-based, Bayesian, and community ("collaborative") filtering, disposable identities using extended email addresses [Bleichenbacher et al, 1998], DomainKeys Identified Mail [Perez, 2005], Sender ID or Sender Policy Framework [Crocker, 2006] 6 , challenge-response [Dwork andNaor, 1993, Laurie andClayton, 2004], whitelists, and blacklists. See Cranor and LaMacchia [1998] for an overview.…”

Section: Technologicalmentioning

confidence: 99%

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Using uncensored communication channels to divert spam traffic

Chiao

MacKie-Mason

2012

Information Economics and Policy

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We offer a microeconomic model of the two-sided market for the dominant form of spam: bulk, unsolicited, and commercial advertising email. We adopt an incentive-centered design approach to develop a simple, feasible improvement to the current email system using an uncensored communication channel. Such a channel could be an email folder or account, to which properly tagged commercial solicitations are routed. We characterize the circumstances under which spammers would voluntarily move much of their spam into the open channel, leaving the traditional email channel dominated by person-to-person, non-spam mail. Our method follows from observing that there is a real demand for unsolicited commercial email, so that everyone can be made better off if a channel is provided for spammers to meet spamdemanders. As a bonus, the absence of filtering in an open channel restores to advertisers the incentive to make messages truthful, rather than to disguise them to avoid filters. We show that under certain conditions all email recipients are better off when an open channel is introduced. Only recipients wanting spam will use the open channel enjoying the less disguised messages, and

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Section: Introductionsupporting

confidence: 87%

Section: Technologicalmentioning

confidence: 99%

Using uncensored communication channels to divert spam traffic

Chiao

MacKie-Mason

2012

Information Economics and Policy

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“…In policy-based systems [4] , policies are encoded inside the address and an email is discarded at its destination if the policy is not fulfilled. In password-based systems [5][6][7] , the receiver's address is extended with a sequence of characters that act like a password, which can be obtained with a proof of computational task [10] . These solutions work well in some scenarios (e.g., using mail addresses in computer-based systems like web forums).…”

Section: Previous Workmentioning

confidence: 99%

Protection Against Spam Using Pre-Challenges

Román

Zhou

López

2005

Security and Privacy in the Age of Ubiquitous Computing

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Abstract:Spam turns out to be an increasingly serious problem to email users. A number of anti-spam schemes have been proposed and deployed, but the problem has yet been well addressed. One of those schemes is challenge-response, in which a challenge is imposed on an email sender. However, such a scheme introduces new problems for the users, e.g., delay of service and denial of service attacks. In this paper, we introduce a pre-challenge scheme that avoids those problems. It assumes each user has a challenge that is defined by the user himself/herself and associated with his/her email address, in such a way that an email sender can simultaneously retrieve a new receiver's email address and challenge before sending an email in the first contact. Some new mechanisms are employed to reach a good balance between security against spam and convenience to email users.

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“…If you search at Google for "bulk email" you will find organizations willing to deliver your email to one million addresses (provided by them) for a total cost of $190 (i.e., 0.019 cents per message). Accordingly, there is a lot of current work on techniques for deterring spam [4,9,12,13,15,20].…”

Section: Motivationmentioning

confidence: 99%

Bankable Postage for Network Services

Abadi

Birrell

Burrows

et al. 2003

Advances in Computing Science – ASIAN 2003. Progamming Languages and Distributed Computation Programming Languages and Distribu

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Abstract. We describe a new network service, the "ticket server". This service provides "tickets" that a client can attach to a request for a network service (such as sending email or asking for a stock quote). The recipient of such a request (such as the email recipient or the stockbroker) can use the ticker server to verify that the ticket is valid and that the ticket hasn't been used before. Clients can acquire tickets ahead of time, independently of the particular network service request. Clients can maintain their stock of tickets either on their own storage, or as a balance recorded by the ticket server. Recipients of a request can tell the ticket server to refund the attached ticket to the original client, thus incrementing the client's balance at the ticket server. For example, an email recipient might do this if the email wasn't spam. This paper describes the functions of the ticket server, defines a cryptographic protocol for the ticket server's operations, and outlines an efficient implementation for the ticket server.

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Spam!

Abstract: Junk email-yes, its annoying, but it can also be overwhelming. A new study evaluates the current extent of the spamming problem and suggests there are no quick fixes to solve the situation.

Cited by 219 publications

References 6 publications

Using uncensored communication channels to divert spam traffic

Using uncensored communication channels to divert spam traffic

Protection Against Spam Using Pre-Challenges

Bankable Postage for Network Services

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