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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...

SORBS ("Spam and Open Relay Blocking System") was a list of e-mail servers suspected of sending or relaying spam (a DNS Blackhole List). It had been augmented...

initially set up, but open mail relays have become unpopular because of their exploitation by spammers and worms. Many relays were closed, or were placed...

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...

Spam musubi is a snack and lunch food composed of a slice of grilled Spam sandwiched either in between or on top of a block of rice, wrapped together...

Controlling the Assault of Non-Solicited Pornography And Marketing (CAN-SPAM) Act of 2003 is a law passed in 2003 establishing the United States' first...

understand where it comes from and how it acts. Spammers abuse vulnerable resources such as open mail relays and open proxies. These are servers which accept...

listed the ORBS mail servers, since the ORBS relay testing was thought to be abusive. The SpamAssassin spam-filtering system was first uploaded to SourceForge...

mail server is configured to relay a message to an after-queue processing step, for example, an antivirus scan or spam check, which then fails, and at...

(DUL), blocks of addresses that include many SOHO users. Relay Spam Stopper (RSS), spam relays, e.g. hijacked servers. Open Proxy Servers (OPS), naively...

relays—exploitable by spammers to carry their spam. ORBS was controversial at the time because many people felt running an open relay was acceptable, and...

differences may have made qmail behave differently when abused as a spam relay, though modern spam delivery techniques are less influenced by bounce behavior....

into becoming spam relays. To be useful, some part of the message under challenge is generally included in the challenge message. A spammer, knowing that...

Spam reporting, more properly called abuse reporting, is the action of designating electronic messages as abusive for reporting to an authority (e.g. an...

IRC (Internet Relay Chat) is a text-based chat system for instant messaging. IRC is designed for group communication in discussion forums, called channels...

may communicate over a peer-to-peer (P2P) network to form a botnet to relay spam, proxying of communications, exfiltrating sensitive data, compromising...

abuse by spammers. Spammers could forward batches of spam through open relays, leaving the job of delivering the messages up to the relays. In response...

e-mail addresses to be used either for spamming directly or to be sold to spammers. E-mail spam PC World: Spam Inc. Archived 2008-04-15 at the Wayback...

mail relay. The Internet Mail Consortium (IMC) reported that 55% of mail servers were open relays in 1998, but less than 1% in 2002. Because of spam concerns...