There's a virus being sent around as an "E-Card". I've gotten two of them in the last two days but luckily my Anti-Virus stopped them.
It starts out like this
You received an "Original Card" from
And then there's a name at the end. Luckily NEITHER of them were names of anybody I knew, so I figured there was something fishy. But if it had been a name I recognized I might have opened it.