1 mime_state: header_token: message / rfc822
2 MAIN 0 |content-type: message/rfc822
3 mime_state: header_token: base64
4 MAIN 34 |content-transfer-encoding: base64
6 mime_state: warning: invalid message/* or multipart/* encoding domain: base64
8 mime_state: warning: improper message/* or multipart/* encoding domain