Microsoft Office Tutorials and References
In Depth Information
Spam and Viruses
Is spam related to viruses? Not directly, although viruses often arrive as part of a spam message (but
can come with a legitimate message too). Virus protection in Outlook is covered in Chapter 20.
hundreds of emails a day, the extra time required is insignificant. For spammers who rely on being
able to send millions of emails, however, the extra time results in an increase in costs. Therefore, a
postmarked message is less likely to be spam than one that is not postmarked. Postmarks are just
one of many factors that an email client can take into account when filtering spam.
Blocking and Allowing Specific Addresses
A very useful tool in the fight against spam is Outlook’s capability to define lists of email addresses
and domains that are always blocked or always allowed through.
Defining Safe Senders
A safe sender is a person, or more precisely an email address, whose email messages are always
considered to be okay — not spam — regardless of the content. Sometimes a safe senders list is
called a white list . You can create a safe senders list based on your contacts and also by entering
individual addresses. You can also specify entire domains as safe — for example, all messages from would be considered to be safe. Here are the steps to follow:
Select Tools, Options from the main Outlook menu to display the Options dialog box.
On the Preferences tab, click the Junk E-mail button. Outlook displays the Junk E-mail
dialog box.
If necessary, click the Safe Senders tab (shown in Figure 8.2).
To add an address or domain to the list, click the Add button.
Enter the address (for example, ) or the domain (for example, or ).
Click OK to add the address or domain to the safe list.
To edit or remove a safe list entry, highlight it in the list and click the Edit or Remove
Click OK.
The other two options in this dialog box are self-explanatory. It is recommended to have the Also
Trust E-mail from My Contacts option selected, because this saves you the effort of entering these
addresses manually.
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