Library /sys$common/syshlp/mime$help.hlb ADD, Example  *Conan The Librarian (sorry for the slow response - running on an old VAX)

    MIME> add /content_type ="image/gif" /encoding=base64 filename.gif

    This adds an "IMAGE" attachment with a subtype of "GIF" using an
    encoding scheme of "BASE64" for the "filename.gif" file. Use the
    SHOW FILE_TYPES command to display the list of file types and their
    settings.

  Additional Information (explode) :

• Example