In theory you could, yes.
Yes.
slander by definition requires that other people hear about it.. in a private email it may be an insult or blasphemy, but since no one besides the two parties knows it is not considered slander. maybe ask a Lawyer if you are really afraid of it.
yes
You don't get sued through the mail. You get served through the mail. That is, the service is a notification that you are being sued and will give you a date to appear in court. You get sued in court.
Of course YES because someone can lose his/her life through.
they are getting sued because they stole the name from someone in the U.S.A.
You can always be sued for hurting someone. Is it worse to hurt someone while wearing a bullet proof vest? Not particularly.
Yes.
No, why would you think that?
Yes, he did. He got sued for scamming someone out of money. I do not know what the verdict was though.
A type of insurance coverage that provides remedies for persons sued for damages when they injure or kill someone else through their own negligence.
Rhianna was sued for a music video, someone said it was his work that was used in the creativity of the video.