Since it is not a weapon, it is legal everywhere.(except planes :)
no
Yes, it is. Actually anything dealing with mail is a federal law not state.
Yes it is.
Chain letter are called forwards and also considered spam
Chain Mail
It is a criminal offence for anyone to withhold, delay or tamper with your mail.
Chain mail is linked rings of metal.
(in the US) It is not against the law.
A chain mail is 'un maillon' in French.
We do not know who invented chain mail, or even where it was invented. There is a link below to an article on chain mail, but I can only hope it can help.
Chain mail keeps you lightly armoured and still light on your feet.
E-mail is not protected by the same rules and regulations that apply to regular (postal) mail.