:0
*$ ^Received: from \/.+by $RE_MAILRELAYS \(postfix-inject\)
{
  :0
  *$ MATCH ?? ^\/${RE_NOT_SPACE}+
  { TRUSTED_RELAY="$MATCH" }

  LOG="log-inject:  message was injected by $TRUSTED_RELAY$NL"

  TRUSTED_RELAY
}

# vim:ft=procmail