Some computer viruses.
Macro viruses
yes
How do you check your email
The limitations of emails are that they may carry viruses
it could be overun with viruses
no (maybe)
some antiviruses will scan the email, so download those
The reverse email lookup service will provide you the information on the owner of the email address which sent you an email. Most of them are from scams and sites with viruses.
They carry viruses that can harm your computer
Not at all, i use my email all the time, and have not got any viruses, however you may receive some junk, i just tend to use the 'delete all' on these
Computer viruses are transmitted from one computer to another in various ways that include being attached or sent in an email. They can be downloaded from the Internet or come from removable media.