ReturnByMail Specifies that product returns must be done by mail. Properties { "id": "https://schema.org/ReturnByMail", "label": "ReturnByMail", "comment": "Specifies that product returns must be done by mail.", "subTypeOf": "https://schema.org/ReturnMethodEnumeration", "enumerationtype": "https://schema.org/ReturnMethodEnumeration", "equivalentClass": "", "properties": "", "subTypes": "", "supersedes": "", "supersededBy": "", "isPartOf": "https://pending.schema.org" }Getting Started