The original message was received at Tue, 28 Jan 2025 08:47:40 +0100 from [165.154.252.200] ----- The following addresses had permanent fatal errors ----- (reason: 550 Invalid Recipient - https://community.mimecast.com/docs/DOC-1369#550 [SKVlZVd8OGS-t5Pvhxtssg.de29]) ----- Transcript of session follows ----- ... while talking to de-smtp-inbound-1.mimecast.com.: >>> RCPT To: ... User unknown >>> DATA ... Deferred: gd-sh.cn.: No route to host