Spam Facts & Spam Statistics
  • AT&T WorldNet says it rejects 10 million to 12 million e-mails a day because the addresses don't match real users'--a sure sign that spammers are at work.
    Newsweek - Crammed with Spam

  • 1/2 to 3/4 of all spam email has forged reply addresses, estimating that the spam volume is now up to 1 billion messages a year.
    Jeff Lawhorn, Software Design Associates 

  • Most ISPs estimate the extra cost due to spam as $2 to $3 per month per user, and longer connection times, which can be costly for rural users who have to dial long distance to connect to the Internet.
    IDG

  • A recent survey found that ISPs spend millions of dollars to stop spammers, with about $2 of each subscriber's bill going toward spam prevention.
    CNN

  • Approximately 10% of ISP overhead deals with SPAM (churn rate; lost revenue due to defection; new customer acquisition; infrastructure; personnel)
    Gartner Group

  • The Federal Trade Commission reports that when it went after spammers earlier this year, it received 500 unsolicited e-mails in a single mailbox every day - and the commission probably didn't receive it all.
    CNN

  • The increases in marketing messages are outpacing the growth in personal e-mail. By 2005, expect to get about one marketing e-mail for every two or three personal messages.
    Industry Standard

  • Spending on commercial e-mail will balloon to $7.3 billion in 2005 from $164 million in 1999. In 1999, the average consumer received 40 pieces of spam. By 2005, the total is likely to soar to 1,600.
    Jupiter Communications

  • FTC gets 4,500 spam complaints per day

  • The average business e-mail user receives three spam messages a day, and in three years that number will swell to 40. In 2003 we'll waste 15 hours deleting e-mail, compared to 2.2 hours in the year 2000. That will cost the average business in the future $400 per in-box, compared to $55 today.
    Ferris Research

  • Average U.S. consumer will receive 1,600 commercial email messages in 2005, up from 40 in 1999, while non-marketing and personal correspondence will more than double from approximately 1,750 emails per year in 1999 to almost 4,000 in 2005.
    Jupiter Communications, May 2000

  • By 2002, E-mail will grow from 9.8% to 17.3% of a company's total number of contacts with a customer.
    Forrester Research
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