Stored Communications Act does not prohibit discovery of electronic communications stored by a non-party service provider
Electronic Discovery Blog: Flagg v. City of Detroit, 2008 U.S. Dist. LEXIS 64735 (E.D. Mich. Aug. 22, 2008)
This dispute centered around the discovery of text messages created by employees of the city of Detroit from the City’s former vendor, SkyTel, which had contracted with the City to provide text-messaging services. SkyTel apparently had retained copies of those text [...]