anchor.diff:        license = with stdenv.lib.licenses; [ artistic1 gpl1Plus ];
         maintainers = [ maintainers.rycee ];
       };
  +  };
  +
  +  MailTransport = buildPerlPackage rec {
  +     name = "Mail-Transport-3.002";
  +     src = fetchurl {
  +       url = mirror://cpan/authors/id/M/MA/MARKOV/Mail-Transport-3.002.tar.gz;
  +       sha256 = "0wm4j9w15nsvjxi9x22fn2rnljbffd88v27p0z0305bfg35gh4kg";
  +     };
  +     propagatedBuildInputs = [ MailMessage ];
  +     meta = {
  +       description = "Email message exchange";
  +       license = with stdenv.lib.licenses; [ artistic1 gpl1Plus ];
  +     };
     };
   
     MathLibm = buildPerlPackage rec {
  
positive.code:     propagatedBuildInputs = [ URI ];
    };
  
    URIIMAP = buildPerlPackage {
      name = "URI-imap-1.01";
      src = fetchurl {
  
negative.code:   };
  
    MailBox = buildPerlPackage rec {
      version = "3.005";
      name = "Mail-Box-${version}";
      src = fetchurl {
        url = "mirror://cpan/authors/id/M/MA/MARKOV/${name}.tar.gz";
        sha256 = "103v5jiv5mlckss1yardjvil506sx60f3g2ph2kgx9x6sy1sd93m";
      };
  
      doCheck = false;
  
      propagatedBuildInputs = [ DevelGlobalDestruction FileRemove Later MailTransport ];
    };
  
    MailMboxMessageParser = buildPerlPackage rec {
  