# Remove the first line of the Received: header. Note that we cannot fully remove the Received: header
# because OpenDKIM requires that a header be present when signing outbound mail. The first line is
# where the user's home IP address would be.
/^\s*Received:[^\n]*(.*)/         REPLACE Received: from authenticated-user (unknown [127.0.0.1])$1

# Remove other typically private information.
/^\s*User-Agent:/        IGNORE
/^\s*X-Enigmail:/        IGNORE
/^\s*X-Mailer:/          IGNORE
/^\s*X-Originating-IP:/  IGNORE

