dkim_sign_headers string* (RFC4871) smtp 4.70
dkim_strict string* unset smtp 4.70
dkim_timestamps integer* unset smtp 4.92
+dkim_verify_hashes string sha256:sha512:sha1 main 4.93
+dkim_verify_keytypes string ed25519:rsa main 4.93
+dkim_verify_minimal boolean false main 4.93
dkim_verify_signers string* $dkim_signers main 4.70
directory string* unset appendfile
directory_file string* + appendfile