Email spam, also referred to as junk email, spam mail, or simply spam, is unsolicited messages sent in bulk by email (spamming). The name comes from a...

spam is email spam, the term is applied to similar abuses in other media: instant messaging spam, Usenet newsgroup spam, Web search engine spam, spam...

Various anti-spam techniques are used to prevent email spam (unsolicited bulk email). No technique is a complete solution to the spam problem, and each...

used for bulk email or spam. The simplest method involves spammers purchasing or trading lists of email addresses from other spammers. Another common method...

[needs update] The history of email spam reaches back to the mid-1990s when commercial use of the internet first became possible - and marketers and publicists...

Corporation Spamming, unsolicited or undesired electronic messages Email spam, unsolicited, undesired, or illegal email messages Messaging spam, spam targeting...

proportion of spam to legitimate email rose to 59.56%. The percentage of spam email in 2021 is estimated to be 85%.[better source needed] Emails are a major...

it as "spam" and began blocking out content from emails with filters and blocking programs. To effectively communicate a message through email, marketers...

It plays on the word "canning" (putting an end to) spam, as in the usual term for unsolicited email of this type. The bill was sponsored in Congress by...

defending e-mail users against spam. A mail transfer agent (MTA) using greylisting will "temporarily reject" any email from a sender it does not recognize...

applying anti-spam techniques. Filtering can be applied to incoming emails as well as to outgoing ones. Depending on the calling environment, email filtering...

Email spam. Note: Countries / Jurisdictions marked with red are listed in the Spamhaus' Worst Spam Origin Countries (March 2020). Email spam Spamming...

Graymail is solicited bulk email messages that don't fit the definition of email spam (e.g., the recipient "opted into" receiving them). Recipient interest...

transmission protocols used for email do not have built-in authentication methods: this deficiency allows spam and phishing emails to use spoofing in order to...

things), with spam and non-spam e-mails and then using Bayes' theorem to calculate a probability that an email is or is not spam. Naive Bayes spam filtering...

email, some recipients may be charged a fee for every message received, including spam. Mobile phone spam is generally less pervasive than email spam...

and file hosting services. Once an email address has been jeopardized by being sold, the result is often email spam or identity theft, both of which internet...

Email spammers have developed a variety of ways to deliver email spam throughout the years, such as mass-creating accounts on services such as Hotmail...

Hashcash is a proof-of-work system used to limit email spam and denial-of-service attacks. Hashcash was proposed in 1997 by Adam Back and described more...

messages, especially email. It is occasionally celebrated at festivals such as Spamarama in Austin, Texas. Hormel introduced Spam on July 5, 1937. The...

of email systems, specifically through email spam and similar attacks. According to a timeline compiled by Keith Lynch, news.admin.net-abuse.email was...

Principality of Andorra, founded in 1998 by Steve Linford to track email spammers and spam-related activity. The name spamhaus, a pseudo-German expression...

header addresses may be equal, forged email addresses (also called spoofed email addresses) are often seen in spam, phishing, and many other Internet-based...

SpamCop is an email spam reporting service, allowing recipients of unsolicited bulk or commercial email to report IP addresses found by SpamCop's analysis...

blocked or classified as spam. Email deliverability is not the same as email delivery. Email delivery is the percentage of emails that got successfully delivered...

authority (e.g. an email administrator) so that they can be dealt with. Reported messages can be email messages, blog comments, or any kind of spam. Abuse reports...

have been widely used in phishing, email spam, and various types of frauds. To combat this, many competing email authentication proposals have been developed...

scan emails for multiple purposes, including to filter spam and malware and, prior to June 2017, to add context-sensitive advertisements next to emails. This...

Opt-out emails do not ask for permission to send emails, these emails are typically criticized as unsolicited bulk emails, better known as spam. There...

putting the spam in the HTML part (that which is displayed to the user). Most email spam is sent in HTML[citation needed] for these reasons, so spam filters...