501 error in some email account

i have try /scripts/exim4 but i think cpanel have some error in their script

Building RPM.....................................Done
Failed to download http://diff.cpanel.net/exim-cpanel7....xiscan.src.rpm at /scripts/exim4 line 204.

Please update it , my exim don't work any more.

Calvin

Using fedora 2.