anchor.diff:      MailDKIM
       NetDNS
       perlldap
  -    NetSMTP
  +    libnet
       SOAPLite
     ]);
   in
  
positive.code:     DBI
      DateTimeFormatMail
      DateTimeTimeZone
      DigestMD5
      Encode
      FCGI
      FileCopyRecursive
  
negative.code:     libintl_perl
  
      MHonArc
      MIMECharset
      MIMETools
      MIMEEncWords
  