The results of your email command are provided below. - Original message details: From: dev@lists.ffnw.de Subject: unsubscribe Date: Sun, 7 Jan 2018 09:42:52 +0000 (UTC) Message-ID: <572CB4AE84EB3E05.65c6ad74-da1c-45c4-9e71-57891e5e84b9@mail.outlook.com> - Results: No registered user for email address: dev@lists.ffnw.de - Unprocessed: b'unsubscribe' Unsubscribe request sent by Outlook for iOS and Android - Done.