Microsoft Office Tutorials and References
In Depth Information
Protection Against Phishing Attacks
Phishingis a technique where you receive an email that appears to be from a legitimate company
that you do business with, perhaps an online payment service such as PayPal. The message asks
you to click a link to go to the company’s web site to renew your password or some such thing.
Though the site looks legitimate, it is in fact a cleverly designed front that lets unscrupulous people
get hold of your password. Outlook provides anti-phishing protections that are covered in Chapter 8
along with other methods for dealing with junk email.
Automatically Blocked Attachments
Because of the potential danger posed by some file types, Outlook blocks certain kinds of
attachments sent to you — you receive the message with a notification that an unsafe attachment has
been blocked. This blocking is built in to Outlook and cannot be turned off or changed. The
blocked file types are listed in Table 20.1.
Outlook also catches these file types on the way out — that is, if you try to send them as an
attachment. They aren’t necessarily blocked, but Outlook reminds you that the recipient — particularly if
they too use Outlook — will not be able to receive them and asks you if you want to proceed.
TABLE 20.1
File Types Blocked by Outlook
File Type
Access Project Extension (Microsoft)
Access project (Microsoft)
Executable application
Active Server Page
BASIC source code
Batch processing
Internet Security Certificate file
Compiled HTML help
DOS CP/M command file, or a command file for Windows NT
Windows Control Panel Extension (Microsoft)
Certificate file
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