Look into the issue with P3P and how it relates to IE6. Sites that are not P3P compliant will have their cookies automatically denied by browsers like IE6. What is P3P? P3P is a language that basically establishes privacy policies for a site. Why is this dangerous? Read below.
Privacy filters in Microsoft's new Internet Explorer 6 pose for Web
administrators an unexpected legal predicament.
The filters force administrators to post new privacy policies for their Web
sites, coded in a technical language called P3P. The filters punish
administrators who fail to publish properly coded P3P privacy policies by
blocking or impeding their cookies.
The P3P coding language raises, for any corporation, government agency or
other institution that uses it, a lawsuit danger. A privacy policy written
in it exposes the organization to liability, with little or no escape.
A privacy policy, even one written in computer codes, can be legally
enforceable like a contract. In lawsuits filed in 1999, plaintiffs forced
US Bancorp to pay $7.5 million for misstatements in a privacy policy posted
on its Web site