This type is syntactically identical to "multipart/mixed", but the semantics are different. In particular, in a digest, the default {@code Content-Type} value for a body part is changed from "text/plain" to "message/rfc822".
See Implementation
This type is syntactically identical to "multipart/mixed", but the semantics are different. In particular, in a digest, the default {@code Content-Type} value for a body part is changed from "text/plain" to "message/rfc822".