It appears the IRS is reading your private emails without a warrant.
The ACLU did some freedom of information requests and found that it is likely the IRS is reading private emails without a warrant, despite a ruling in US vs. Warshak that requires warrants for emails.
The IRS's manual says they can, according to this story:
“Investigators can obtain everything in an account except for unopened e-mail or voice mail stored with a provider for 180 days or less using a [relevant-and-material-standard] court order” ...
Read the full story at TechDirt.