HELPLIB.HLB  —  PMDF  LIST Servers, Commands  ENCODING
    Specify the file encoding to use.

    Syntax

      ENCODING  encoding

1  –  Parameters

 encoding

    Required parameter specifying the file encoding to use. The
    available encodings are: 8BIT, 7BIT, BASE32, BASE64, CBASE64
    (gzip compressed BASE64), BASE85, BINHEX (encoding only, not
    the BINHEX file format), BTOA, HEXADECIMAL, PATHWORKS, QUOTED_
    PRINTABLE, UUENCODE, and CUUENCODE (gzip compressed UUENCODE).

2  –  Description

    Binary files cannot be transmitted directly as electronic mail;
    they must first be encoded into a "printable" format. This,
    of course, means that they must be decoded upon receipt. The
    ENCODING command is used to specify the encoding to be applied
    to files requested with the SEND command. When selecting an
    encoding, be sure to select an encoding which you can decode.
    If your mail is handled by PMDF, then you can decode any of the
    encodings offered by PMDF mail servers.

    The encoding specified with the ENCODING command applies to
    all subsequent SEND commands in the same message. It can be
    overridden with a subsequent ENCODING command or, on a per
    command, basis with the SEND command's /ENCODING qualifier. And,
    of course, encodings established in previous messages sent to
    the server have no effect on subsequent messages which you might
    send.

    The BASE64 and QUOTED_PRINTABLE encodings are described in RFC
    2045 (MIME, Part One). The HEXADECIMAL encoding is a simple
    hexadecimal encoding of the data. The data is encoded in 8 bit
    byte order. Each 8 bit byte is represented with two characters;
    the first character describes the high four bits and the second
    describes the low four bits. The UUENCODE encoding is compatible
    with the popular UUENCODE and UUDECODE utilities.

    BASE64 is usually the best encoding to use: it is most likely
    to survive any mangling that might occur as the mail message
    works its way through the networks to you (e.g., line wrapping,
    character set translation, space stripping, etc.).

3  –  Examples

      The commands,

        ENCODING BASE64
        MODE BLOCK
        SEND [.GIF]BOATS*.GIF
        SEND/MODE=TEXT [GIF]INDEX.TXT

      set the default encoding to BASE64 and the default file
      reading mode to BLOCK. Any files matching the specification
      [GIF]BOATS*.GIF will be sent using these defaults. However, the
      file [GIF]INDEX.TXT will be sent as an ordinary text file owing
      to the use of the /MODE=TEXT qualifier.

4  –  Error messages

  %MAILSERV-W-INSFPRM, missing command parameters

      You failed to supply the name of the encoding to use. Resend
      the command with a valid encoding name specified.

  %MAILSERV-W-IVKEYW, unrecognized keyword - check validity and spelling

      You specified an unknown encoding. Resend the command with a
      valid encoding name specified.
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