E-mails that are mailed directly to a consumer without their knowledge or permission are called a. viruses b. spam c. social mail d. flash mail

b. Spam. These types of emails are most often sent in large numbers to large groups of addresses. They are very often commercial in nature, requesting the user buy something or navigate to a specific website. The reason they are used is due to the low cost of the email and it's large reach.

Yes, they are always very triggered