In RHL 8.0, the sendmail(8) man page sez SEE ALSO binmail(1), mail(1), rmail(1), syslog(3), aliases(5), mailaddr(7), rc(8) There is no rc(8) or binmail(1) man page
still true in phoebe public beta 1
Fixed in 8.12.7-4 or newer, thanks, Florian La Roche