Where are these postings stored?
See http://ooruri.kusastro.kyoto-u.ac.jp/mailarchive/vsnet-campaign-sn
"List of messages" would be adequate for you.
http://ooruri.kusastro.kyoto-u.ac.jp/mailarchive/vsnet-recent-sn
You can obtain messages if you subscribe to this list. (Postings are not currently archived for some reason)