libmail-dkim-perl 0.19-3 (i386 binary) in ubuntu feisty

 DomainKeys Identified Mail (DKIM) provides a method for validating an identity
 that is associated with a message, during the time it is transferred over the
 Internet. That identity then can be held accountable for the message.
 .
 This is a Perl implementation created by Jason Long of Messiah College.
 It performs signing as well as signature verification.