2002/01/26 Allow [1.2.3.4] for the hostname when checking if the dns resolves 2002/01/21 assorted fixes; getting dnsbl's to actually work fixing the maximum message size (databytes) stuff (thanks for the spot to Andrew Pam ) support and enable taint checking (thanks to Devin Carraway ) Make the MAIL FROM host dns check configurable. (thanks to Devin Carraway). Add more documentation to the README file.