Bendiciones mi amigo (assuming it's a guy you're writing to).
Amigo
In Spanish, 'to a friend' is 'a un(a) amigo/a' (if that's what the question meant).
Amigo is already a spanish and portuguese word which means "friend".
bendiciones
De nada, amigo mío. - if your friend is a maleDe nada, amiga mía. - if your friend is a female
we are blessed
You could use "en casa de un amigo".
'v' and 'b' are often confused in Spanish 'bendiciones' = blessings.
"Jajaja amigo" is a phrase in Spanish that translates to "hahaha friend" in English. It is a playful way of expressing amusement or laughter among friends.
as in "bless you" it is "velsigne deg"
"Su amigo" is the Spanish translation for "your friend".
He did not write the quraan .It was revealed to Muhammad(pease and blessings of God be upon him) from God.