Received: from mx.example.org (mx.example.org [192.0.2.11]) by mail.example.org (Postfix) with ESMTP id III99 for ; Tue, 8 Sep 2026 16:00:02 +0200 (CEST) Received: from sender.example.invalid (unknown [203.0.113.42]) by mx.example.org (Postfix) with ESMTP id JJJ11 for ; Tue, 8 Sep 2026 16:00:01 +0200 (CEST) Return-Path: From: "Billing at billing@innocent.example" To: Subject: Confirm now Message-ID: Date: Tue, 8 Sep 2026 16:00:00 +0200 MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Plain value: http://a.example.invalid/p?e=you@example.org Valueless param: http://b.example.invalid/p?you@example.org In the fragment: http://c.example.invalid/p#e=you@example.org In userinfo: http://you%40example.org:pw@d.example.invalid/p Nested redirect: http://t.example.invalid/c?url=http%3A%2F%2Fe.example.invalid%2Fp%3Fe%3Dyou%40example.org