Received: from relay.example.org (relay.example.org [192.0.2.10]) by mx.example.org with ESMTP id abc123 for ; Mon, 07 Sep 2026 09:12:44 +0000 Received: from sender.invalid (sender.invalid [203.0.113.42]) by relay.example.org with ESMTP id def456 for ; Mon, 07 Sep 2026 09:12:40 +0000 Return-Path: Authentication-Results: mx.example.org; spf=fail; dkim=none; dmarc=fail Received-SPF: fail (mx.example.org: domain of sender.invalid does not designate 203.0.113.42) From: "Example Bank" To: victim@example.org Cc: colleague@example.org Delivered-To: victim@example.org X-Original-To: victim@example.org Reply-To: "Support" Subject: Your account requires verification Date: Mon, 07 Sep 2026 09:12:40 +0000 Message-ID: MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Please verify at http://login.sender.invalid/verify?id=abc123