All we are doing is giving advice, you option to take it or leave it, but people tire of giving it if it is rammed back down their throats.
You have Mail washer and you ask 'What is Origns of Spam section - Look in Spam Tools and add a new origin - the one I gave you, sbl-xbl.spamhaus.org.
My blacklist has one entry in it as it is a poor method of defeating spam, with forged from addresses they are a moving target and your blacklist just grows and grows making checking it to identify spam longer.