MSN Explorer: Unsafe content has been blocked

If you receive this message, MSN has automatically blocked content that might harm your computer, such as frames, scripts, and other content such as controls or embedded objects. When content has been blocked, text or images may be missing from an e-mail message, or the message not be formatted as expected.

MSN Explorer: About junk e-mail
MSN Explorer: Received an e-mail message with a blocked attachment