Define Outbund Spam

• The definition widely used in electronic messaging and email defines spam as a disruptive, commercial message that is unsolicited and usually sent indiscriminately.
• This is how google defines search engine spam (taken from a google patent): An attempt to "obtain higher ranking, and thus better placement in search results by exchanging links, purchasing links, or gaining links from documents without editorial discretion on making links.
• "SMTP (simple mail transfer protocol) is the protocol defined in RFC 2821 that a mail host uses to transmit messages to another mail host along the path from sender to recipient.
• IMAP (internet mail access protocol) is a protocol defined in IETF RFC 3501 that can be used by mail clients to pick up e-mail messages from a mail delivery agent.
• A safe senders list allows the user to define the email addresses that should never be treated as a spam email address.
• For example, STD 9 defines the file transfer protocol (FTP), but the "original" RFC 959 is cited just as often.
• For example, if you define cialis as a spam word, then every e-mail that has the word cialis in it will be rejected or placed in your junk mail folder.
• They exert their authority through the development of requests for comment (RFCs) and standards (STDs) that define how these services are to work.
• Most common internet services, including SMTP (e-mail) and HTTP (web services) are defined in IETF RFCs and standards.
• IP (internet protocol) is the set of communications procedures (officially defined in IETF RFC 791) that underlie the internet.

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