title: local.cf spamassassin
body: <p>Actually I am trying to write one rule in local.cf spamassassin.<br>
  What I need is to block all Viagra emails.</p>
  
  <p>As you know in these emails they write Viagra,VIAGRA,VIAGRA(c) sometimes in the Subject field, sometimes in the Name field, sometime it is the body of the message.</p>
  
  <p>Can you please tell me what will be rule exactly to stop all these emails?</p>