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![]() If the spammer puts a spamtrap mailbox address into the TO or CC line, when any of the other addresses "reply-all" or forward the message, it will cause that address to be considered spam, too.Spammers using spamtrap addresses from their mailing lists as sender addresses can cause backscatter when a reply/DSN is sent to the spamtrap address.However, they would be able to subscribe a spamtrap address to an email list only if that list would not use confirmed opt-in. Once this occurs, the third party could target the spamtrap by maliciously sending email to it giving the third party some control over the automated process of what is being considered bulk unsolicited e-mail by the anti-spam system. A spamtrap becomes tainted when a third party discovers what the spamtrap e-mail address is being used for.The source IP address of a sender delivering e-mail to the spamtrap could also be added to a blacklist for source address blacklisting of e-mail. ![]() Automation is considered "safe" because no legitimate email messages should be arriving to the spamtrap address. The automated system could instantly block any further e-mail messages with the same content, arriving for other e-mail addresses, because the messages would then be considered as bulk unsolicited e-mail, the typical definition of spam. The provenance of this term is unknown, but several competing anti-spam organizations claim trademark over it.Īn untainted spamtrap can continue to collect samples of unsolicited messages that can be acted on by an automated anti-spam system. ![]() The term is a compound of the words "spam" and "trap", because a spam analyst will lay out spamtraps to catch spam in the same way that a fur trapper lays out traps to catch wild animals. Since no e-mail is solicited by the owner of this spamtrap e-mail address, any e-mail messages sent to this address are immediately considered unsolicited. In order to prevent legitimate email from being invited, the e-mail address will typically only be published in a location hidden from view such that an automated e-mail address harvester (used by spammers) can find the email address, but no sender would be encouraged to send messages to the email address for any legitimate purpose. Spamtraps are usually e-mail addresses that are created not for communication, but rather to lure spam.
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