Date Added: Nov 2012
Spam is defined as the abuse of electronic messaging systems to indiscriminately send unsolicited bulk messages. Generally, a spam is e-mail advertising for some product sent to a mailing list or newsgroup. E-mail spam is defined as the subset of electronic spam involving nearly identical message sent to numerous recipients through e-mail. It is also specified as a junk e-mail or unsolicited bulk e-mail. While clicking links on the spam e-mail, it may harm the computer. Because, the spam mail includes malware as scripts or other executable file attachments. The E-mail addresses are collected by spammer from chat rooms, websites, and newsgroups and sold to other spammer.