uschar *dkim_signers = NULL;
uschar *dkim_signing_domain = NULL;
uschar *dkim_signing_selector = NULL;
-uschar *dkim_verify_hashes = US"sha256:sha512:sha1";
+uschar *dkim_verify_hashes = US"sha256:sha512";
uschar *dkim_verify_keytypes = US"ed25519:rsa";
BOOL dkim_verify_minimal = FALSE;
uschar *dkim_verify_overall = NULL;