Xibo cms 1.8.7 ,Is it ok not to use the xsendfile?

xibo cms 1.8.7 ,Is it ok not to use the xsendfile?
just Read the resource file only using HTTP, thank you.

You do not have to use xsendfile. Please consider that if you decide not to use xsendfile, file downloads will be slower, the CMS will use more resources and you may not be able to download larger files.

Many Thanks,