How can I query Spamhaus's SBL with a domain name?
I want to query Spamhaus's SBL using a domain name. I know this is possible to do because this form (Find SBL Listings by ISP Domain Name) does it and SpamAssassin does it, but I can only seem to get it to work with IP addresses. I took a quick look at the SpamAssassin code, but it has been so generalized that I could probably spend a ...