| qmail- 
               http://www.qmail.org/netqmail-1.05.tar.gz | 
| Daemontools- 
               ftp://cr.yp.to/daemontools/daemontools-0.76.tar.gz | 
| ClamAV- 
               http://prodownloads.sourceforge.net/clamav/clamav-0.65.tar.gz | 
| QMAILQUEUE Patch- 
               http://www.qmail.org/top.html#qmailqueue | 
| MailDrop- 
               http://download.sourceforge.net/courier | 
| Time::HiRes - 
               http://search.cpan.org/search?module=Time::HiRes | 
| DB_File- 
               http://search.cpan.org/search?module=DB_File | 
| TNEF unpacker- 
               http://sourcforge.net/projects/tnef | 
| Qmail-Scanner- 
               http://prodownloads.sourceforge.net/qmail-scanner/qmail-scanner-1.20.tgz?download | 
| MIME type RFC- 
               http://www.ietf.org/rfc/rfc1521.txt?number=1521 |