Rio Properties, Inc. v. Rio Intern. Interlink 284 F.3d 1007, 52 Fed.R.Serv.3d 239, 62 U.S.P.Q.2d 1161 (2002)
US Court of Appeals, 9th Circuit appellate opinion authorizing service on a Costa Rica entity via e-mail. Default judgment was deem proper after court ordered service by email on a defendant that repeatedly evaded service of process and failed to respond to discovery.
Law Review Articles
You’ve Got Mail: The Modern Trend Towards Universal Electronic Service of Process by: Jeremy A. Colby Buffalo Law Review (2003) Vol. 51, pages 337-382
The article supports e-service and proposes an interpretation of FRCivP § 4 (service of summonses and complaints) and FRCivP § 45 (service of subpoenas) in federal actions.