of keyids on the command line, fetches them from a keyserver and calls GnuPG so
that you can sign it. It then mails each key to all its email addresses - only
including the one UID that we send to in each mail, pruned from all but self
-sigs and sigs done by you.
+sigs and sigs done by you. The mailed key is encrypted with itself as a means
+to verify that key belongs to the recipient.
=head1 OPTIONS