The original message was received at Wed, 29 Jan 2025 11:49:54 +0100 from [165.154.252.200] ----- The following addresses had permanent fatal errors ----- (reason: 554 5.7.1 Spam message rejected) (reason: 554 5.7.1 : Relay access denied) (reason: 550 Host unknown) (reason: 554 5.7.1 : Relay access denied) (reason: 550 5.7.1 Refused by local policy. No SPAM please! (B-EX 149500::1738147992-7B5DEF38-D65CF7E3/3/8293197641) see https://www.strato-hosting.co.uk/faq/product/why-are-my-emails-not-being-delivered) (reason: 550 5.7.1 Spam message rejected, ID 155859::1738148003-D37C90F0-300D2A68/3/8293197641 - In case of a...d.de and attach the blocked mail as eml/msg. Customers please open a ticket in your customer-portal.) (reason: 550 5.7.1 Refused by local policy. No SPAM please! (B-EX 149500::1738148027-B9A83B3E-77084AEA/3/8293197641) see https://www.strato-hosting.co.uk/faq/product/why-are-my-emails-not-being-delivered) (reason: 550 relaying denied (ID:550:1:3 (mi014.mc1.hosteurope.de))) (reason: 550-5.7.0 Message considered as spam or virus, rejected) (reason: 550 5.7.1 Refused by local policy. No SPAM please! (B-EX 149500::1738148057-11503422-B1FFDFB2/3/8293197641) see https://www.strato-hosting.co.uk/faq/product/why-are-my-emails-not-being-delivered) (reason: 550 5.7.1 Refused by local policy. No SPAM please! (B-EX 149500::1738148064-B8FE92E5-6FFF1EBA/3/8293197641) see https://www.strato-hosting.co.uk/faq/product/why-are-my-emails-not-being-delivered) (reason: 554 Sorry, no mailbox here by that name.) (reason: 550 5.7.1 Recipient address rejected: User unknown in local recipient table) (reason: 550 5.7.1 Message contains spam or virus. (110) [1738148094-640632]) (reason: 550 5.2.0 No such mailbox: ) (reason: 550 5.7.1 Refused by local policy. No SPAM please! (B-EX 149500::1738148138-37721E4A-E94099ED/3/8293197641) see https://www.strato-hosting.co.uk/faq/product/why-are-my-emails-not-being-delivered) (reason: 550 5.7.1 Refused by local policy. No SPAM please! (B-EX 149500::1738148152-186BF422-AE46853F/3/8293197641) see https://www.strato-hosting.co.uk/faq/product/why-are-my-emails-not-being-delivered) (reason: 550-5.7.0 Message considered as spam or virus, rejected) (reason: 550-Requested action not taken: mailbox unavailable) (reason: 550 5.7.1 Refused by local policy. No SPAM please! (B-EX 149500::1738148170-B26102E5-7E7CEC59/3/8293197641) see https://www.strato-hosting.co.uk/faq/product/why-are-my-emails-not-being-delivered) (reason: 550-Requested action not taken: mailbox unavailable) (reason: 554 5.7.1 Spam message rejected) (reason: 550 5.7.1 Refused by local policy. No SPAM please! (B-EX 149500::1738148222-D204DB15-C0055925/3/8293197641) see https://www.strato-hosting.co.uk/faq/product/why-are-my-emails-not-being-delivered) (reason: 550-5.7.0 Message considered as spam or virus, rejected) (reason: 550 5.7.1 Refused by local policy. No SPAM please! (B-EX 149500::1738148229-7A0C4F38-736852FD/3/8293197641) see https://www.strato-hosting.co.uk/faq/product/why-are-my-emails-not-being-delivered) ----- Transcript of session follows ----- 451 augenarzt-enke.de: Name server timeout 451 augenarzt-enke.de: Name server timeout 451 augenarzt-enke.de: Name server timeout ... while talking to mail.augenarzt-cham.de.: >>> DATA >> DATA : Relay access denied 554 5.0.0 Service unavailable ... Host unknown (Name server: augenarzt-claussen.de: host not found) ... while talking to w01c80c2.kasserver.com.: >>> DATA : Relay access denied 554 5.0.0 Service unavailable >> DATA >> DATA >> DATA ... Deferred: Connection refused by augenarzt-dr-kaiser.de. ... while talking to mx0.augenarzt-dr-kanzow.de.: >>> DATA ... User unknown >> DATA >> DATA >> DATA >> DATA >> RCPT To: ... User unknown >>> DATA >> DATA >> DATA 550 5.1.1 ... User unknown >> DATA >> DATA >> DATA >> RCPT To: ... User unknown >>> DATA >> DATA ... Deferred: 421 Too many concurrent SMTP connections from this IP address; please try again later. ... while talking to mx00.ionos.de.: >>> RCPT To: ... User unknown >>> DATA >> DATA ... Deferred: 451 4.7.1 Try again later. NMM-C91B1CEB09FD3BE6 451 augenarzt-enke.de: Name server timeout 451 augenarzt-enke.de: Name server timeout ... while talking to smx01.udag.de.: >>> DATA >> DATA >> DATA >> DATA