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#include <dkim.h>
DKIM_STAT dkim_header(
	DKIM *dkim,
	char *header,
	size_t len)
Handle a message header field.
Called When dkim_header() is called zero or more times between dkim_sign() or dkim_verify() and dkim_eoh(), once per message header field.
dkim Per-message DKIM handle.
header The header field being input, including its name, value and separating colon (":") character.
len Number of bytes to read from header.
  • The value of header should not contain a trailing CRLF as this will be added by the canonicalization code. However, a CRLF may appear elsewhere in the value if, for example, the header field is meant to be wrapped.
  • A header field whose name includes a semi-colon cannot be used as it will produce a syntactically invalid signature. Such header fields cause this function to return DKIM_STAT_SYNTAX.

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