All reasons why you might lose a lawsuit. However, a lawsuit, or even a cease and desist letter is still a nuisance for whoever you sue. Enough that their leg

All reasons why you might lose a lawsuit. However, a lawsuit, or even a cease and desist letter is still a nuisance for whoever you sue. Enough that their legal department might ask their ops department to stop blocking the emails. Since that's probably the cheapest route to make you go away.