This qualifier instructs PS that no file is to be processed.
    Instead, the qualifiers specified on the command line will
    modify any text-to-PostScript conversions performed by the PMDF
    message distribution system (e.g., messages processed by the
    PMDF-FAX channels). This is achieved through the use of the
    PMDF_X_PS_QUALIFIERS logical which PS will set. Currently, the
    only application which makes use of this logical is the optional
    layered product PMDF-FAX.

    Any mail subsequently sent that gets converted into PostScript
    will be converted in the manner specified. Any settings made
    by a previous use of the /MAIL qualifier are lost. Settings
    only last for the life of a given login session; they must be
    re-established in subsequent sessions (this can be done in a
    LOGIN.COM file if desired).