tiff2pdf: Can't open input file

“tiff2pdf: Can’t open input file /var/spool/asterisk/fax/1206139811.50.tif for reading” is the error I get when trying to send a fax to this server. I am running Asterisk 1.2.24 svn rev 79171 and FreePBX 2.4. It sends me an email with a pdf file but it is empty. The file that it says it can’t open is actually there and owned by asterisk.asterisk but the permissions are 644, so maybe the process that writes the tiff file is not creating it with the right permisssions?? Anybody else have this issue ???

Has anyone succesfully implemented Hylafax as described at OTTS ?