Company representatives say they're working on a Disappearing plug-in for Lotus Notes, and expect to soon release free plug-ins for other popular e-mail programs, such as Outlook Express and Eudora.

CNN: Make your e-mail disappear

The problem brought to light by the privacy organizations affects people with e-mail readers formatted in HTML, which includes popular programs such as MS Outlook, MS Outlook Express, Netscape Messenger, Eudora and Hotmail, according to the report, written by Richard Smith, a security consultant.

CNN: Privacy groups ask FTC to close e-mail loophole