NAME

       Mail::MIMEDefang::DKIM::ARC - ARC interface for MIMEDefang

DESCRIPTION

       Mail::MIMEDefang::DKIM::ARC is a module with a set of ARC related methods called from
       mimedefang-filter to operate with ARC signatures.

METHODS

       md_arc_sign
           Returns an hash with mail headers and the ARC signature for the message.  If ARC sign
           fails the hash will contain an error message.  The method accepts the following
           parameters:

           $keyfile
               The path to the private ARC key

           $algorithm
               The algorithm to be used to sign the message, by default is 'rsa-sha256'

           $chain
               The cv= value for the Arc-Seal header.  "ar" means to copy it from an
               Authentication-Results header, or use none if there isn't one.

           $domain
               The domain to be used when signing the message.

           $srvid
               The authserv-id in the Authentication-Results headers, defaults to Domain.

           $selector
               The selector to be used when signing the message, by default it's 'default'

           $headers
               The headers to sign, by default the headers are:
                              From Sender Reply-To Subject Date
                              Message-ID To Cc MIME-Version
                              Content-Type Content-Transfer-Encoding Content-ID Content-
               Description
                              Resent-Date Resent-From Resent-Sender Resent-To Resent-cc
                              Resent-Message-ID
                              In-Reply-To References
                              List-Id List-Help List-Unsubscribe List-Subscribe
                              List-Post List-Owner List-Archive