However, most e-mail systems make use of server-side content scanning in order to check for E-mail spam.
E-mail spam could be completely eliminated by authenticating the senders and auto-rejecting mail that we don't recognize.
Telephone spam is comparable to E-mail spam, but due to its synchronous character, different mitigation methods are needed.
SPIT is generally not yet considered to be problem with similar relevance as E-mail spam.
Such databases are used for promotional mailings, credit card fraud detection and fighting E-mail spam.
E-mail spam has returned to normal levels (94% of all e-mail) following the McColo shutdown.
Spamvertising is the practice of sending E-mail spam, advertising a website.
E-mail spam is the act of sending out unwanted messages to e-mail users.
Today's autoresponders need to be careful to not generate e-mail backscatter, which can result in the autoresponses being considered E-mail spam.
It is worth noting that Kushnir did not send E-mail spam directly from his connection.