We use the internet to send messages back and forth which is great, unfortunately there those who use it to destroy or spy into your computer datas, which could lead to identity theift. Here are few tips to help and guide you in the use of of sending and receiving E-mails. When you sign into the internet there are evil people out there who will do great harm to your computer for fun and for the challenge. If you are using a wireless or remote router make sure that it cannot be accessed by an outsider.There are equipment that will read your unencrypted password easily, an example is a "promiscuous driver" that can do such things.

Here are some guides for a safe E-Mails

• Don't reply to anyone you do not know or open a mail that has a strange title.
• Use Your messaging software's filtering tools to reject mail from your frequent spammers' e-mail addresses or with certain words(sex, for example) in the subject line.
• Find out if your INTERNET SERVICE PROVIDER(ISP) has a spam blocking service. If not, sign up for a third party spam blocking service.
• Encrypt and  digitally sign all your sensitive e-mail messages.
• Use win-zip software to compress and password protect your attachments.
• To avoid cookies sent via e-mail, use e-mail client software.
• Don't read email on a computer that doesn't belong to you, if you do, erased your history on it.
• Don't send sensitive personal messages on your work computer.
• Keep your ANTIVIRUS software updated at all times
• Although antivirus will help, damage can be caused by softwares to use your computer as a back door, alway upgrade when you are alert by whoever is providing your internet security.
• Have your computer do a virus and spy scan once a week.

When you stick to these guides it makes it had for hacker to get into your computer's data.