Well you could open the e-mail itself
No that is always bad advice to give people. Get into the options in your account and just raise all (blocking/send to junk folder) type of options to its highest settings. If you get something from someone you don't know then just don't open it.

Everyone has nailed "just don't download attachments" into people's heads for to long, to a point where they'd might actually feel safe enought to be blind folded while having thier hands tied when walking aimlessly towards |The|Specialist.

I'LL CHOP YER Ga'DAMNED HEAD OFF!