Spamming

A CAPTCHA (a backronym for "Completely Automated Public Turing test to tell Computers and Humans Apart") is a type of challenge-response test used in computing to determine whether or not the user is human.

Advertising mail, also known as direct mail (by its senders), junk mail (by its recipients), or admail, is the delivery of advertising material to recipients of postal mail.

SpamAssassin is a computer program used for e-mail spam filtering.

XRumer is a search engine optimization program, created by BotmasterLabs, that is able to register and post to forums (forum spam) with the aim of boosting search engine rankings.

The terms Google bomb and Googlewashing refer to the practice of causing a web site to rank highly in web search engine results for unrelated or off-topic search terms by linking heavily.

An advance-fee scam is a type of fraud and one of the most common types of confidence trick.

Phishing is the attempt to obtain sensitive information such as usernames, passwords, and credit card details (and sometimes, indirectly, money), often for malicious reasons, by masquerading as a trustworthy entity in an electronic communication.

419eater.com is a scam baiting website which focuses on advance-fee fraud.

A mailing list is a collection of names and addresses used by an individual or an organization to send material to multiple recipients.

Mimecast is an international company specializing in cloud-based email management for Microsoft Exchange and Microsoft Office 365, including security, archiving, and continuity services to protect business mail.

Email authentication, or validation, is a collection of techniques aimed at equipping messages of the email transport system with verifiable information about their origin.

Tagged is a social discovery website based in San Francisco, California, founded in 2004.

The Anti-Phishing Working Group (APWG) is an international consortium that brings together businesses affected by phishing attacks, security products and services companies, law enforcement agencies, government agencies, trade association, regional international treaty organizations and communications companies.

ZoomInfo is a subscription-based software as a service (SaaS) company based in Waltham, Massachusetts that sells access to its database of information about business people and companies to sales, marketing and recruiting professionals.

HipCrime refers both to the screenname of a Usenet user and software application distributed by, and presumably written by, this individual or group.

Email spam, also known as junk email is a subset of electronic spam whereby a single unsolicited message is sent by email.

The Storm botnet or Storm worm botnet (also known as Dorf botnet and Ecard malware) is a remotely controlled network of "zombie" computers (or "botnet") that have been linked by the Storm Worm, a Trojan horse spread through e-mail spam.

The Lumber Cartel was a facetious conspiracy theory popularized on USENET that claimed anti-spammers were secretly paid agents of lumber companies.