The costs, such as lost productivity and fraud, are borne by the public and by Internet service providers, which have added extra capacity to cope with the volume.
[13] The earliest documented spam (although the term had not yet been coined[14]) was a message advertising the availability of a new model of Digital Equipment Corporation computers sent by Gary Thuerk to 393 recipients on ARPANET on May 3, 1978.
[10] Rather than send a separate message to each person, which was the standard practice at the time, he had an assistant, Carl Gartley, write a single mass email.
[15][16] Spamming had been practiced as a prank by participants in multi-user dungeon games, to fill their rivals' accounts with unwanted electronic junk.
[16] The first major commercial spam incident started on March 5, 1994, when a husband and wife team of lawyers, Laurence Canter and Martha Siegel, began using bulk Usenet posting to advertise immigration law services.
[16] An early example of nonprofit fundraising bulk posting via Usenet also occurred in 1994 on behalf of CitiHope, an NGO attempting to raise funds to rescue children at risk during the Bosnian War.
However, as it was a violation of their terms of service, the ISP Panix deleted all of the bulk posts from Usenet, only missing three copies[citation needed].
[22] Some of these address-harvesting approaches rely on users not reading the fine print of agreements, resulting in their agreeing to send messages indiscriminately to their contacts.
Most forum spam consists of links to external sites, with the dual goals of increasing search engine visibility in highly competitive areas such as weight loss, pharmaceuticals, gambling, pornography, real estate or loans, and generating more traffic for these commercial websites.
[29] Spreading beyond the centrally managed social networking platforms, user-generated content increasingly appears on business, government, and nonprofit websites worldwide.
The actual content of the video ends up being totally unrelated, a Rickroll, offensive, or simply on-screen text of a link to the site being promoted.
This is generally easier for the spammer as VoIP services are cheap and easy to anonymize over the Internet, and there are many options for sending mass number of calls from a single location.
Researchers from the University of California, Berkeley and OvGU demonstrated that most (web-based) academic search engines, especially Google Scholar are not capable of identifying spam attacks.
[38] The European Union's Internal Market Commission estimated in 2001 that "junk email" cost Internet users €10 billion per year worldwide.
[39] The California legislature found that spam cost United States organizations alone more than $13 billion in 2007, including lost productivity and the additional equipment, software, and manpower needed to combat the problem.
[40] Spam's direct effects include the consumption of computer and network resources, and the cost in human time and attention of dismissing unwanted messages.
Although only a tiny percentage of their targets are motivated to purchase their products (or fall victim to their scams), the low cost may provide a sufficient conversion rate to keep the spamming alive.
[45][46] In all cases listed above, including both commercial and non-commercial, "spam happens" because of a positive cost–benefit analysis result; if the cost to recipients is excluded as an externality the spammer can avoid paying.
These groups' concern is that ISPs or technicians seeking to reduce spam-related costs may select tools that (either through error or design) also block non-spam e-mail from sites seen as "spam-friendly".
Attorney Laurence Canter was disbarred by the Tennessee Supreme Court in 1997 for sending prodigious amounts of spam advertising his immigration law practice.
[55][56] In 2007, Robert Soloway lost a case in a federal court against the operator of a small Oklahoma-based Internet service provider who accused him of spamming.
[57] In June 2007, two men were convicted of eight counts stemming from sending millions of e-mail spam messages that included hardcore pornographic images.
[60] The two spammers were required to pay $50,000 USD to cover the costs of investigation by the state of Florida, and a $1.1 million penalty if spamming were to continue, the $50,000 was not paid, or the financial statements provided were found to be inaccurate.
She conspired to commit bank, wire and mail fraud, against US citizens, specifically using Internet by having had an accomplice who shipped counterfeit checks and money orders to her from Lagos, Nigeria, the previous November.
Fiedler shipped out $609,000 fake check and money orders when arrested and prepared to send additional $1.1 million counterfeit materials.
[64] In the first successful case of its kind, Nigel Roberts from the Channel Islands won £270 against Media Logistics UK who sent junk e-mails to his personal account.
In October 2008, an international internet spam operation run from New Zealand was cited by American authorities as one of the world's largest, and for a time responsible for up to a third of all unwanted e-mails.
While there are no such lawsuits until now, several cases of spam obstruction are currently awaiting decision in the Bulgarian Antitrust Commission (Комисия за защита на конкуренцията) and can end with serious fines for the ISPs in question.[when?]
The law contains other dubious provisions — for example, the creation of a nationwide public electronic register of e-mail addresses that do not want to receive spam.
[72] It is usually abused as the perfect source for e-mail address harvesting, because publishing invalid or incorrect information in such a register is a criminal offense in Bulgaria.