E-mails are bypassing the blacklist. Not sure what to do about that. I have added wildcards to catch the subdomain, but I'm not sure SpamAssassin will read the wildcard-- and so far it hasn't worked. Any insight on this?
An example domain is "@o-bk4m-i.otuod.com".
I have "@otuod.com" and "@*otuod.com" as priority 6. I've read somewhere about SpamAssassin reading other parts of the header. The example I use has the following in the header: