Delivery has failed to these recipients or groups:
The email address you entered couldn't be found. Please check the recipient's email address and try to resend the message. If the problem continues, please contact your email admin.Diagnostic information for administrators:
Generating server: rwthex-s4-b.rwth-ad.de
iq233710@rwth-aachen.de
Remote Server returned '550 5.1.10 RESOLVER.ADR.RecipientNotFound; Recipient not found by SMTP address lookup'
Original message headers:
Received: from RWTHEX-S2-B.rwth-ad.de (2a00:8a60:1:e500::26:155) by rwthex-s4-b.rwth-ad.de (2a00:8a60:1:e500::26:165) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.2562.43; Tue, 14 Jul 2026 07:45:04 +0200 Received: from mail-out-4.itc.rwth-aachen.de (2a00:8a60:1:e501::5:49) by RWTHEX-S2-B.rwth-ad.de (2a00:8a60:1:e500::26:155) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.2562.43 via Frontend Transport; Tue, 14 Jul 2026 07:45:04 +0200 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=rwth-aachen.de; i=@rwth-aachen.de; q=dns/txt; s=20240516-RWTH; t=1784007905; x=1815543905; h=mime-version:subject:from:to:date:message-id; bh=m6ywGh1OZDmbrbSKRUw1d+xzDtuelhEu6tid9SPXEHk=; b=FPd9tjag9BdRdheRmmYpspG4g5bXJ8E/1NgBOV0XvudovmLm9I1U+GlK A2AcRRArrVcbrrR+FSA+XLSRrju6852rbAWaVxON49Zb0oFH7KZ/x86UW 9v9xjzI0KeloKm4zLV9gC+zlJrb7Mh7YcGUFYQ1qlg0tWSqDSpEKRA+fc kSOhWqt+o890vcNJKg7ZCe6ivg4H8BJ43yoSKU4cqscEBLZHds6dR8O1z jwsnOHWVIf0GMiZ749tAycuVCclIWkkI9AGod9mRGAeKqetYYYZCeap/D 1plqV8S9CophmReCIGXn4tHMbpGbzIJHe61U8Gw3MhVrHVqL++VZr9Tcw Q==; X-CSE-ConnectionGUID: e6rt618XT+yDTVn8mSgydA== X-CSE-MsgGUID: HGjngGaIReidrXsJZcd8+g== X-IronPort-AV: E=Sophos;i="6.25,163,1779141600"; d="ics'?png'150?scan'150,208,217,150";a="39747790" Attachment: image_0.png, Kalendereintrag.ics Received: from mail.fsmpi.rwth-aachen.de ([134.130.102.2]) by mail-in-4.itc.rwth-aachen.de with ESMTP/TLS/TLS_AES_256_GCM_SHA384; 14 Jul 2026 07:45:05 +0200 Received: from websrv.fsmpi.rwth-aachen.de (websrv.fsmpi.rwth-aachen.de [134.130.102.23]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) by mail.fsmpi.rwth-aachen.de (Postfix) with ESMTPS id 4gzpDJ4FgmzHncy for <iq233710@rwth-aachen.de>; Tue, 14 Jul 2026 07:45:04 +0200 (CEST) Content-Type: multipart/mixed; boundary="===============7448664070807740891==" MIME-Version: 1.0 Subject: Deine Bestellung: XREBC (Erinnerung: heute) From: Fachschaft I/1 <sprechstunden@lists.fsmpi.rwth-aachen.de> To: <iq233710@rwth-aachen.de> Date: Tue, 14 Jul 2026 05:45:04 +0000 Message-ID: <178400790459.2558.17345408830260015844@websrv.fsmpi.rwth-aachen.de> X-Auto-Response-Suppress: OOF, NRN, AutoReply, RN Auto-Submitted: auto-generated Return-Path: sprechstunden@lists.fsmpi.rwth-aachen.de