I understand where you are coming from, but i think you just have to move with the times, i am older than you, and i have just come to accept there is a whole new language out there.

I am not so sure that because a person does not write you a formal email, that they would make bad fur parents, but then when you have nothing else to go by except their email, it probably is the only judgment you can make really.

BTW there is nothing wrong with being old fashioned, if that is how you see it,but i guess people are just going to write as they see fit, and there is nothing much we can do about it, sadly proper English is a dying language it would seem.