Tolong jelaskan mengenai Newsgroup spam dari Spam (éléktronik) dalam bahasa sunda

Newsgroup spam is a type of spamming where the target of the spamming are Usenet newsgroups. Spamming of Usenet newsgroups actually pre-dates e-mail spam. Old Usenet convention defines spamming as excessive multiple posting, that is, the repéated posting of a message (or substantially similar messages).  Since posting to newsgroups is néarly as éasy as sending e-mails, newsgroups are a popular target of spammers. The Breidbart Index was developed to provide an objective méasure of the "spamminess" of a multi-posted or cross-posted message on Usenet.