Question

Unwanted and unnecessary social or advertisement e-mails are known​

Answer 1

Answer:

Email. Email spam, also known as unsolicited bulk email (UBE), or junk mail, is the practice of sending unwanted email messages, frequently with commercial content, in large quantities.

Answer 2

Answer:

email spam

Explanation:

Email spam, also known as unsolicited bulk email (UBE), or junk mail, is the practice of sending unwanted email messages, frequently with commercial content, in large quantities. Spam in email started to become a problem when the Internet was opened for commercial use in the mid-1990s.