While junk filters have gotten very good at keeping blatant spam out of the inbox, sometimes email you want still goes missing.

Outlook provides a simple setting that helps you build your own safe-sender’s list, ensuring your receive email from the people you send email to, as well as from the people in your Outlook contacts folder.

In Outlook 2010, start from the Home ribbon tab on the inbox, select Junk, and Junk E-mail Options…

To modify these settings in Outlook 2007, use Outlook’s Actions menu > Junk Email > Junk Email Options

On the Safe Senders tab, check the box for both
    [ ] Also trust email from my Contacts
    [ ] Automatically add people I email to the Safe Senders list

For internal corporate communications, IT and Exchange administrators can set group policies to add their own internal domains to the safe-senders list, enabling automatic download of internal email content for all Outlook users. This improves the accuracy of PoliteMail’s open tracking and metrics.