Cryptomail: adding openpgpkey-milter

cryptomail.mdwn

@@ -12,6 +12,7 @@ A grande vantagem em relação a uma mera criptografia na partição onde ficam
 
 Pesquisa de soluções similares usando [procmail](http://www.procmail.org):
 
+  * [openpgpkey-milter](https://github.com/letoams/openpgpkey-milter).
   * [mail-gnupg-encrypt.pl](http://opensource.platon.sk/cvs/cvs.php/scripts/perl/mail-gnupg/).
   * [How to automatically PGP/MIME encrypt incoming mail via procmail](http://www.j3e.de/pgp-mime-encrypt-in-procmail.html).
   * [Encrypted system logs to gmail using logcheck/procmail/gpg](http://blog.fealdia.org/2008/06/14/encrypted-system-logs-to-gmail/).