How do i fix the broken FTP structure of freebsd 7.0?

[wac]

vantline# pkg_add -r dkimproxy-1.1
Error: FTP Unable to get ftp://ftp.freebsd.org/pub/FreeBSD/ports/i386/packages-7
.0-release/Latest/dkimproxy-1.1.tbz: File unavailable (e.g., file not found, no
access)
pkg_add: unable to fetch 'ftp://ftp.freebsd.org/pub/FreeBSD/ports/i386/packages-
7.0-release/Latest/dkimproxy-1.1.tbz' by URL
vantline#

ftp://ftp.freebsd.org/pub/FreeBSD/ports/i386/

packages 10/23/2006 12:00:00 AM
packages-5-stable 4/4/2008 12:00:00 AM
packages-6-stable 4/18/2009 6:16:00 PM
packages-6.4-release 11/21/2008 1:33:00 PM
packages-7-stable 4/18/2009 10:06:00 PM
packages-7.1-release 12/22/2008 11:30:00 PM
packages-7.2-release 4/21/2009 5:18:00 PM
packages-8-current 4/16/2009 2:38:00 PM
packages-current 2/9/2008 12:00:00 AM
packages-stable 3/1/2008 12:00:00 AM

packages-7.0-release is completely missing.

Is there a way to fix this? How? What should I put in PACKAGESITE?

Upgrading is unfortunately not an option for me.