Security and privacy in Windows Mail
The security and privacy features in Windows Mail can help keep your computer and identity safe by automatically filtering suspected junk e‑mail and disabling possible phishing links and images. You can also improve security in Windows Mail by using safe practices when sending and receiving e‑mail, which can help prevent the spread of computer viruses, reduce the risk of identity theft, and decrease the amount of junk e‑mail that you receive.
Safe and blocked senders
By creating a list of Safe Senders and Blocked Senders, you can make sure that you receive e‑mail from friends, family, and co-workers, and that e‑mail from people you don't know is sent to the Junk E-mail folder. By using these lists, you can help reduce the amount of unwanted e‑mail in your Inbox. You should check your Junk E-mail folder periodically to see if any e‑mails were sent there by mistake. That way, if you see any e‑mail addresses that you do not want to block, you can add them to the Safe Senders list.
With Windows Mail, you can block all messages from specific e‑mail addresses or Internet domains, or allow messages from certain addresses or Internet domains
Opening attachments
Although Windows Mail automatically blocks images and attachments with file name extensions that are known to be dangerous, you should still be careful when opening attachments. It's important to remember that even e‑mail received from someone on the Safe Senders list can contain a corrupted file or a virus. If you aren't sure about the content of an e‑mail or an attached file, check with the person who sent the e‑mail before you decide to open it.
Plain text views
Sending and receiving e‑mail in plain text view can help you to avoid phishing tactics. If you view a phishing e‑mail in Hypertext Markup Language (HTML) format, a deceptive link or image that appears to link to a legitimate webpage might actually redirect you to a fraudulent webpage instead. In plain text view, the deceptive link isn't disguised, making it easier to see where the link will take you.
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Open Windows Mail by clicking the Start button 
, clicking All Programs, and then clicking Windows Mail.
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Click the Tools menu, and then click Options.
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Click the Send tab, and then, under Mail Sending Format and News Sending Format, click Plain Text.
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Open Windows Mail by clicking the Start button , clicking All Programs, and then clicking Windows Mail.
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Click the Tools menu, and then click Options.
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Click the Read tab, and then select the Read all messages in plain text check box.
