red X

Where is he seeing the red X's?

In the browser window?

In his email client?

I as an addressee only get a frame and the red x in the upper corner.All others get the same. I also do not get an attachment to click on

See: Pictures Are Not Displayed on Web Sites in Internet Explorer

http://support.microsoft.com/?kbid=283807

OR

In your mail client, go to Tools - Options - Security and Uncheck the setting, Block images and other external content in HTML e-mail.

OR

Under the security tab, un-check the setting that says Do not allow attachments to be saved or opened that could contain a virus.