=item $HOME/.caffrc - configuration file
+=item $HOME/.caff/keys/yyyy-mm-dd/ - processed keys
+
+=item $HOME/.caff/gnupghome/ - caff's working dir for gpg
+
+=item $HOME/.caff/gnupghome/gpg.conf - gpg configuration
+
+useful options include use-agent, default-cert-level, etc.
+
=back
=head1 CONFIGURATION FILE OPTIONS
The configuration file is a perl script that sets values in the hash B<%CONFIG>.
+The file is generated when it does not exist.
Example:
=back
+=item B<reply-to> [string]
+
+Add a Reply-To: header to messages sent. Default: none.
+
=item B<bcc> [string]
Address to send blind carbon copies to when sending mail.
http://pgp-tools.alioth.debian.org/
+=head1 SEE ALSO
+
+gpg(1), pgp-clean(1), /usr/share/doc/signing-party/examples/caffrc.sample.
+
=cut
use strict;
$message_entity->head->add("Subject", "Your signed PGP key 0x$key_id");
$message_entity->head->add("To", $address);
$message_entity->head->add("From", '"'.$CONFIG{'owner'}.'" <'.$CONFIG{'email'}.'>');
+ $message_entity->head->add("Reply-To", $CONFIG{'reply-to'}) if defined $CONFIG{'reply-to'};
$message_entity->head->add("Bcc", $CONFIG{'bcc'}) if defined $CONFIG{'bcc'};
$message_entity->head->add("User-Agent", $USER_AGENT);
$message_entity->send();