Sender Authentication Milter which includes SPF, DKIM and DMARC based on dkimpy-milter. This package requires thease packages. But some packages will installed with others.

• dkimpy-milter
• pymilter
• pyspf
• pydns
• sendmail-milter (pymilter is wrapper of sendmail-milter library)
• sendmail-devel
• ipaddr-py-master.zip

• main config file (/usr/local/etc/senderauth-milter.conf)
• public suffix list file (/usr/local/etc/public_suffix_list.dat)
  • down load from PUBLIC SUFFIX LIST
• configure DKIM related parametors and setup
  • define selector name and define in main config file (senderauth-milter.conf)
  • generate key pairs (ex. opendkim-keygen)
    • put secret at the path of KeyFile parameter in main config file
    • put public key to DNS (TXT RR of ._domainkey.)