dbacl is a general purpose digramic Bayesian text classifier. It can learn text documents you provide, and then compare new input with the learned categories. It can be used for spam filtering, or within your own shell scripts. Sometimes it plays che
A milter to verify the validity of sender addresses ( originator email addresses ) against an ldap server. If the domain exists in the ldap server then the originator's address is checked to exist. If not the mail is either stopped or flagged.