43-43-6. Private writings--Ownership--Right of publication.
Letters and other private communications in writing belong to the person to whom they are addressed and delivered; but they cannot be published against the will of the writer except by authority of law.
Source: CivC 1877, §575; CL 1887, §3198; RCivC 1903, §891; RC 1919, §489; SDC 1939, §51.0809.