Question

Give two reasons why it not advisable to open emails from unknown sources

Answer 1

Don't open them. The messages often are loaded with language designed to encourage the recipient to open the attachments, which could be loaded with malware that automatically downloads onto the computer. The basic rule of thumb: If you don't know the sender, don't open the attachment.

Answer 2

Explanation:

b'cuz the unknown souce may have corrupted before which may harm ur account on opening it.