Blocking of commercial electronic mail by interactive computer service - Immunity from liability. (Contingent expiration date - See note) 1. An interactive computer service may block the receipt or transmission through its service of any commercial electronic mail that it reasonably believes is, or will be, sent in violation of this chapter.
2. An interactive computer service may not be held liable for any action voluntarily taken in good faith to block the receipt or transmission through its service of any commercial electronic mail which it reasonably believes is, or will be, sent in violation of this chapter.