"Free-Mail" is a possibility. It rolls off the tongue like "email", is not so politically charged like "Freedom-Mail", and can entice people with the word "Fre

"Free-Mail" is a possibility. It rolls off the tongue like "email", is not so politically charged like "Freedom-Mail", and can entice people with the word "Free" while you can educate them (not an easy problem to solve though) with the "Free as in Freedom, not as in Beer".