The following example illustrates a typical scenario:
      SUE@SAMPLE.COM wants to send an executable program to
      BOB@EXAMPLE.COM. To do this, Sue might issue the following
      two commands:

 $ PMDF ENCODE/ENCODING=BASE64 PROGRAM.EXE PROGRAM.TXT
 $ MAIL/SUBJECT="Bob, here's the program" PROGRAM.TXT
 "IN%""BOB@EXAMPLE.COM"""

      When Bob receives this mail message he should issue the
      following commands:

 $ MAIL
 MAIL> EXTRACT/NOHEADER PROGRAM.TXT
 MAIL> EXIT
 $ ! Remove any extra material at the beginning and ending of the file.
 $ PMDF DECODE/ENCODING=BASE64 PROGRAM.TXT PROGRAM.EXE

      After decoding the file, Bob can now proceed to run
      PROGRAM.EXE.

      Note that Sue could also have used PMDF MAIL's SEND command to
      bypass the need to use PMDF ENCODE in the first place.