[coreboot] mail archive urls not matching up?

[Robinson Tryon]

While updating content on the wiki, I noticed that there are some
discrepancies between urls.

For example, these two urls give the same content:
http://www.linuxbios.org/pipermail/linuxbios/2007-September/024916.html
http://www.coreboot.org/pipermail/linuxbios/2007-September/024916.html

But this one does not match:
http://www.coreboot.org/pipermail/coreboot/2007-September/024916.html

Any idea why this is happening?  (were the archives regenerated at some point?)