822header(1) 822header(1) NNAAMMEE 822header - print the header of a mail message SSYYNNOOPPSSIISS 882222hheeaaddeerr DDEESSCCRRIIPPTTIIOONN 882222hheeaaddeerr reads an 822-format mail message from its standard input, and prints the header of the message. Under 822, the header is terminated by the end of the message or by a blank line. 882222hheeaaddeerr also ends the header if it sees a line that can- not be part of a valid header field. Note that the UUCP-style FFrroomm__ line placed before a message in an mmbbooxx file is not part of the message. SSEEEE AALLSSOO 822field(1), mbox(5) 822header(1)