VMS Help MAIL Routines, MAIL$MAILFILE_OPEN  *Conan The Librarian (sorry for the slow response - running on an old VAX)

    Opens a specified mail file for processing. You must use this
    routine to open a mail file before you can do either of the
    following:

    o  Call any mail file routines to manipulate mail files

    o  Call message routines to read messages from the specified mail
       file

    Format

      MAIL$MAILFILE_OPEN  context ,in_item_list ,out_item_list

  Additional Information (explode) :

• Returns
• Arguments
• Input Item Codes
• Output Item Codes
• Description
• Condition Values Returned