How do I get the Yahoo spam filter to block online pharmacies?

Laura S: How do I get the Yahoo spam filter to block online pharmacies?
Yahoo’s spam filter is generally pretty good, except that the online pharmacies seem to have found a way around it. I get 5-10 messages from them every day and, although I mark them as spam every time, they are never blocked.
I have verified that SpamGuard in Yahoo! Mail Options is ON,

Answers and Views:

Answer by Minnie ♥•*¨*•♥•*¨*•♥
Make sure that SpamGuard in Yahoo! Mail Options is ON.

Answer by Solo
I have done the same thing and keep getting spam from the same ppl and same pharmacies.
From what I learned, yahoo has one of the worst spam filters. Until they improve on this, you may, and most likely, will keep getting the spam emails.