dkimsign.pl - computes a DKIM signature for an email message
dkimsign.pl [options] < original_email.txt options: --type=TYPE --method=METHOD --selector=SELECTOR --expiration=INTEGER --debug-canonicalization=FILE dkimsign.pl --help to see a full description of the various options
Optional. Specify the desired signature expiration, as a delta from the signature timestamp.
Determines the desired signature. Use dkim for a DKIM-Signature, or domainkeys for a DomainKey-Signature.
Determines the desired canonicalization method. Possible values are simple, simple/simple, simple/relaxed, relaxed, relaxed/relaxed, relaxed/simple.
Outputs the canonicalized message to the specified file, in addition to computing the DKIM signature. This is helpful for debugging canonicalization methods.
Jason Long, <jlong@messiah.edu>
Copyright (C) 2006-2007 by Messiah College
This program is free software; you can redistribute it and/or modify it under the same terms as Perl itself, either Perl version 5.8.6 or, at your option, any later version of Perl 5 you may have available.
To install Mail::DKIM, copy and paste the appropriate command in to your terminal.
cpanm
cpanm Mail::DKIM
CPAN shell
perl -MCPAN -e shell install Mail::DKIM
For more information on module installation, please visit the detailed CPAN module installation guide.