Binary package “libmail-dkim-perl” in ubuntu trusty
cryptographically identify the sender of email - perl library
RFC 4871, DomainKeys Identified Mail (DKIM), defines a domain-level
authentication framework for email using public-key cryptography and
key server technology to permit verification of the source and
contents of messages by either Mail Transport Agents (MTAs) or Mail
User Agents (MUAs).
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This is a Perl implementation created by Jason Long of Messiah
College. It performs signing as well as signature verification. It
also supports the older DomainKeys standard.