0
Instead of "Sincerely,Morrowind3", We Say "Hoogachtend, Morrowind3"
adverb.
No, in the phrase "Sincerely yours," "yours" is not capitalized unless it is the first word of a sentence.
It has two E's as does sincere. The spelling is "sincerely".
Yours sincerely,
because it is theirs not their :)