Is there a reasonable expectation of privacy in email headers and IP addresses under the Fourth Amendment? No, sayeth the 9th Circuit in US v. Forrester:
The Fourth Amendment, Email Headers, and IP Addresses

Archive of all posts about email by Professor Daniel J. Solove for his blog at TeachPrivacy, a privacy awareness and security training company.
Is there a reasonable expectation of privacy in email headers and IP addresses under the Fourth Amendment? No, sayeth the 9th Circuit in US v. Forrester:
The Wall Street Journal today had an article about the now famous email exchange I blogged about a few days ago where Dianna Abdala, a recent law school graduate turned down a job offer from an attorney, William Korman. The article discusses the fact that in some circumstances, people who are getting notorious reputations for being particularly rude or […]