their own or with filtering in reducing or eliminating spam. When filtering is used in conjunction with either price the …We analyze three potential solutions to the spamn problem - sender pays pricing, receiver pays pricing and filtering … - used alone or concurrently. We find that filters alone may exacerbate the spam problem if the spammer tries to evade them …

Junk email or spam is rapidly choking off email as a reliable and efficient means of communication over the Internet … postage for email causes senders to be more selective and to send fewer messages. However, the recipients did not use the … addressing the problem of spam, but that their design needs more work …

placements (28.6%) and newsletter subscriptions (1.4%), (2) the proportions of spam relating to the email addresses' top … relationship. (5) Only 1.54% of the spam emails showed an interrelation between the topic of the spam email and that of the …Email communication is encumbered with a mass of email messages which their recipients have neither requested nor …

mainly heuristic, anti-spam measures in place. A formal framework, within which the existing delivery routes that a spam e-mail … methodology and pave the way for new, holistic anti-spam measures.This paper presents a model of the Internet e-mail …Spam e-mails have become a serious technological and economic problem. Up to now, by deploying complementary anti-spam …