Return-Path: <> Received: from mail.hosting.example by mail.hosting.example with local (Exim 4.98) id 1tQx7a-00Ab3c-2F for jan@example.com; Thu, 05 Nov 2026 10:14:31 +0100 From: Mail Delivery System To: jan@example.com Subject: Mail delivery failed: returning message to sender Auto-Submitted: auto-replied Date: Thu, 05 Nov 2026 10:14:31 +0100 MIME-Version: 1.0 Content-Type: multipart/report; report-type=delivery-status; boundary="1730798071-eximdsn-1804289383" --1730798071-eximdsn-1804289383 Content-type: text/plain; charset=us-ascii This message was created automatically by mail delivery software. A message that you sent could not be delivered to one or more of its recipients. This is a permanent error. The following address(es) failed: pieter.devries@example.net host mx1.example.net [198.51.100.20] SMTP error from remote mail server after RCPT TO:: 550 5.1.1 : Recipient address rejected: User unknown in virtual mailbox table --1730798071-eximdsn-1804289383 Content-type: message/delivery-status Reporting-MTA: dns; mail.hosting.example Action: failed Final-Recipient: rfc822;pieter.devries@example.net Status: 5.1.1 Remote-MTA: dns; mx1.example.net Diagnostic-Code: smtp; 550 5.1.1 : Recipient address rejected: User unknown in virtual mailbox table --1730798071-eximdsn-1804289383 Content-type: message/rfc822 Return-Path: Received: from [203.0.113.45] (helo=[192.168.1.20]) by mail.hosting.example with esmtpsa (TLS1.3) tls TLS_AES_256_GCM_SHA384 (Exim 4.98) (envelope-from ) id 1tQx79-00Ab2Z-1d for pieter.devries@example.net; Thu, 05 Nov 2026 10:14:30 +0100 From: Jan Jansen To: pieter.devries@example.net Subject: Offerte dakkapel Date: Thu, 05 Nov 2026 10:14:28 +0100 Message-ID: <8a1f3c2e-7d41-4b6a-9e0f-1c2d3e4f5a6b@example.com> Beste Pieter, hierbij de offerte ... --1730798071-eximdsn-1804289383--