An interesting article...some of this is overkill for the email user who only emails the grandkids, BUT points 7, 8, & 9 are worthy of special note, as is the section on Fraudulent Email and how to recognize it.
There is a secion on 'malware' - the bad stuff that rides into your computer from your friends' email, and one on hacker's tricks.
Here's their disclaimer from the bottom of the article:
"This article is intended to provide you with the basic information you need to avoid many of the email security pitfalls that frequently trip up new email users. While no single article can cover even the basics of email security, avoiding the 25 common mistakes listed in this article will make a dramatic difference in improving the safety and security of your computer, your personal information, and your emails.
It's a good article: check it out."
Check it out - it's a good article: