Outbound messages are smaller due to issues with Sendmail. Whois can now list domains associated with a server and a rate limiter has been added to keep folks from attempting to dump the whole database. Eric Lear notes that this will make it harder for users on a large time-sharing host. Mark notes that is possible, but the number of hits per host over a time period. Some folks have tried, but Mark does not have the specific number.
Billing is a problem area.
May. Legal NSI has been named in 19 suits. Seven cases involving domain names two cases are still active. Mark says that the 1.5 spec clears up the issues. It is not the case that folks have to run the NSI implementation. Reproduction with attribution granted.