uschar *dkim_signers = NULL;
uschar *dkim_signing_domain = NULL;
uschar *dkim_signing_selector = NULL;
+gstring *dkim_signing_record = NULL;
uschar *dkim_verify_hashes = US"sha256:sha512";
uschar *dkim_verify_keytypes = US"ed25519:rsa";
uschar *dkim_verify_min_keysizes = US"rsa=1024 ed25519=250";