Index: wp-admin/options.php
===================================================================
--- wp-admin/options.php	(date 1561041732646)
+++ wp-admin/options.php	(date 1561041732646)
@@ -58,6 +58,7 @@
 	$redirect          = 'options-general.php?updated=false';
 	if ( is_array( $new_admin_details ) && hash_equals( $new_admin_details['hash'], $_GET['adminhash'] ) && ! empty( $new_admin_details['newemail'] ) ) {
 		update_option( 'admin_email', $new_admin_details['newemail'] );
+		delete_option( WP_Recovery_Mode_Email_Service::RATE_LIMIT_OPTION );
 		delete_option( 'adminhash' );
 		delete_option( 'new_admin_email' );
 		$redirect = 'options-general.php?updated=true';