January 12, 1998 RFC822-Headers content-type: The Text/RFC822-Headers content-type is defined as follows: MIME type name: Text MIME subtype name: RFC822-Headers Required parameters: None Optional parameters: none Encoding considerations: 7 bit is sufficient for normal RFC822 headers, however, if the headers are broken and require encoding, they may be encoded in quoted-printable. Security considerations: Automated use of report types without authentication presents several security issues. Forging negative reports presents the opportunity for denial-of-service attacks when the reports are used for automated maintenance of directories or mailing lists. Forging positive reports may cause the sender to incorrectly believe a message was delivered when it was not.