MD5 sum mismatch in source rpm

I can't install the 8.2.14 or 8.4.1 source rpms:

# rpm -Uhv postgresql-8.2.14-1PGDG.f11.src.rpm
warning: postgresql-8.2.14-1PGDG.f11.src.rpm: Header V4 DSA signature:
NOKEY, key ID 442df0f8
   1:postgresql             warning: user devrim does not exist - using root
warning: group devrim does not exist - using root
########################################### [100%]
error: unpacking of archive failed on file
/root/rpmbuild/SOURCES/Makefile.regress;4ab40ac6: cpio: MD5 sum
mismatch

Tried from three mirrors. I know from a previous email that I should
build the source rpms myself but just in case it matters.

Regards, Clodoaldo