totally noobd out on that one, thx

git-svn-id: file:///home/svn/framework3/trunk@13035 4d416f70-5f16-0410-b530-b9f4589650da

modules/exploits/unix/smtp/exim4_string_format.rb

@@ -286,7 +286,7 @@ class Metasploit3 < Msf::Exploit::Remote
 		second_result << buf if buf
 
 		# Check output for success
-		if buf !~ /(MAIL|RCPT|sh: |sh-[0-9]+)/
+		if second_result !~ /(MAIL|RCPT|sh: |sh-[0-9]+)/
 			print_error("Second result: #{second_result.inspect}")
 			raise RuntimeError, 'Something went wrong, perhaps this host is patched?'
 		end