#ifndef DISABLE_DKIM
if (LOGGING(dkim) && dkim_verify_overall)
g = string_append(g, 2, US" DKIM=", dkim_verify_overall);
+# ifdef EXPERIMENTAL_ARC
+if (LOGGING(dkim) && arc_state && Ustrcmp(arc_state, "pass") == 0)
+ g = string_catn(g, US" ARC", 4);
+# endif
#endif
if (LOGGING(receive_time))