MIME - Base Content Types, continued
multipart
- Specifies a MIME message composed of several parts with possible different Content-Type fields.
- Parts are separated by a boundary string, specified in the multipart header entry
- Subtypes: mixed (serial combination of media), parallel (for parallel presentation if possible), alternative (multiple representations of the same data) and digest (all parts are messages)
message
- Subtypes: rfc822 (standard ARPA e-mail format), partial (a single chunk of a larger message, chopped into pieces for transmission and then reassembled), external-body (pointer to a remote data - similar to typerlink/URL but different representation)
application
- Current subtypes: postscript, ODA
- Placeholder for "anything else" - several interactive/custom/creative extensions expected here
- Already registered: Andrew-inset,t ATOMICMAIL (Bellcore)