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CAN-SPAM(Controlling the Assault of Non-Solicited Pornography And Marketing Act of 2003) A U.S. statute effective January 1, 2004 that allows spammers to be fined up to USD $6 million. It defines how legitimate marketers must create their email ads in order not to be considered spam. The message header must have a truthful subject line and a valid return address. The message must clearly state that it is an advertisement and have a simple way to opt out (cancel future ads from this source). If the user opts out, the advertiser must no longer send to that address after 10 days. See spam.
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