Re: "Ya-Rasulullah"
otherwise if u use "ya" when the person is absent, u r assuming that the person is listening to u and will respond, which is also "shirk bis-sifaat" and hence not allowed....
not necessarily, He [pbuh] hears all durood and hum un par salamti bhej rahay hain tu why not.
problem arises wen people refer him for dua ,as if he will grant it.