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       recvq/fax* - received facsimile document format


       Facsimile  received  by  HylaFAX  are placed in the recvq subdirectory.
       Each facsimile document is stored as a single Class F Tagged Image File
       Format (TIFF) file.  This format includes the following information:
              o page width and length
              o horizontal and vertical resolution
              o page orientation
              o phone number of the sender
              o date and time document was received
              o number of scanlines received with errors
              o maximum number of consecutive scanlines received with errors
              o whether or not bad scanlines were regenerated by the receiver
              o make and model of the modem used to receive the document
              o name of the host computer on which the document was received

       Image  data is written using either CCITT T.4 or CCITT T.6 compression.
       By default data is written using  the  compression  scheme/data  format
       negotiated  by  the  sender  and  receiver.  However, if faxgetty(8) is
       configured to do copy quality checking then data is written  using  the
       compression   scheme   defined   by  the  RecvDataFormat  configuration
       parameter; see hylafax-config(5).

       A scanline that is regenerated by the receiver because of an  error  is
       typically just a copy of the previous good scanline.

       The  files  in the recvq directory are created with the protection mode
       specified in the server configuration file(s).  By default,  files  are
       created with mode 0600 and owned by the fax user, which means that they
       are accessible only to the fax user.

       To print a facsimile on a POSTSCRIPT(R) printer, the fax2ps(1)  program
       can be used.


       viewfax(1),  faxview(1),  fax2ps(1),  faxgetty(8), libtiff(3), hylafax-

                                October 3, 1995