Can a screen name be all numbers? I got an email from someone and can
Tell from the few words I see, it's legit but she has all numbers for a screen
Name and you have to open a blue box for text.

I don't open any email attachment (or otherwise) unless it is something I have requested OR it is from someone I know well. It sounds pretty clear that you don't know this person. Might try googling that email address and see what comes back.

NO, you cannot tell it's legit. Where did you get that idea? Open a blue box? HARSHNESS ALERT!! Do you want to go through this all over again????

No I don't

DO NOT OPEN emails from anyone you don't know.