Ĝontent from SharePoint Discussion Boards.Ĝontent from Web sites in Internet Explorer's Trusted Sites security zone.Ĝontent in e-mail messages from senders and to recipients defined in the Safe Senders and Safe Recipients lists.Content that Outlook 2007 can be configured to consider safe includes:
Viewing an e-mail message that contains a Web beacon provides confirmation that the recipient's e-mail address is valid, which leaves the recipient vulnerable to additional spam and harmful e-mail.īy default, Outlook does not download external content in HTML e-mail and RSS items unless the content is considered safe. Malicious e-mail senders can send HTML e-mail messages with embedded Web beacons, which are pictures and other content from external servers that can be used to track whether specific recipients open the message.