The original message was received at Wed, 29 Jan 2025 12:36:08 +0100 from [165.154.252.200] ----- The following addresses had permanent fatal errors ----- (reason: 550 5.7.1 Refused by local policy. No SPAM please! (B-EX 149500::1738150669-49976358-678AC739/3/8293197641) see https://www.strato-hosting.co.uk/faq/product/why-are-my-emails-not-being-delivered) (reason: 550 Message contained spam content (antispamcloud.spam.nwsjnk21)) (reason: 550 5.7.1 Refused by local policy. No SPAM please! (B-EX 149500::1738150691-1B690F3E-CA753CF7/3/8293197641) see https://www.strato-hosting.co.uk/faq/product/why-are-my-emails-not-being-delivered) (reason: 550-This email has been rejected due to classification as SPAM.) (reason: 550 Host unknown) (reason: 550 Detected as spam) (reason: 550 5.7.1 Refused by local policy. No SPAM please! (B-EX 149500::1738150725-9AE11130-5FC0BABA/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::1738150725-9AE11130-5FC0BABA/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::1738150745-CCA68B15-B9E23A51/3/8293197641) see https://www.strato-hosting.co.uk/faq/product/why-are-my-emails-not-being-delivered) (reason: 550 This message was classified as SPAM and may not be delivered) (reason: 550 5.2.0 No such mailbox: ) (reason: 550 5.7.1 Refused by local policy. No SPAM please! (B-EX 149500::1738150858-CA7CFB3E-B5205117/3/8293197641) see https://www.strato-hosting.co.uk/faq/product/why-are-my-emails-not-being-delivered) (reason: 550 Host unknown) (reason: 550 5.7.1 Refused by local policy. No SPAM please! (B-EX 149500::1738150915-34D15E4A-2DA8CF43/3/8293197641) 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::1738150949-A6146130-C724B3F5/3/8293197641) see https://www.strato-hosting.co.uk/faq/product/why-are-my-emails-not-being-delivered) (reason: 550 5.2.0 No such mailbox: ) ----- Transcript of session follows ----- ... while talking to physiocki-de01e.mail.protection.outlook.com.: >>> DATA ... Deferred: 451 4.7.500 Server busy. Please try again later from [83.138.65.30]. (S77714) [BE1PEPF0000056B.DEUP281.PROD.OUTLOOK.COM 2025-01-29T11:37:42.748Z 08DD403C3EA2925B] ... while talking to smtpin.rzone.de.: >>> DATA >> DATA >> DATA >> DATA ... Host unknown (Name server: physio-concept.net: host not found) ... while talking to centaurus.uberspace.de.: >>> DATA >> DATA >> DATA >> DATA : Recipient address rejected: Greylisting in action, please come back in 180 seconds ... Deferred: 450 4.2.0 : Recipient address rejected: Greylisting in action, please come back in 180 seconds >> DATA >> DATA 550 5.1.1 ... User unknown >> DATA ... Deferred: 451 4.7.1 Try again later ... while talking to w01023a6.kasserver.com.: >>> DATA ... Deferred: 451 4.7.1 Try again later. NMM-C91B1CEB09FD3BE6 ... while talking to smtpin.rzone.de.: >>> DATA ... Host unknown (Name server: physio-denninger-ehrich.de: host not found) ... while talking to mx1.jimdo.com.: >>> DATA ... Deferred: 451 4.7.1 Received too many messages from a new or untrusted IP: 83.138.65.30 (Z27/76838E5) (G28) >> DATA ... Deferred: 451 4.7.1 Received too many messages from a new or untrusted IP: 83.138.65.30 (Z27/76838E5) (G28) >> DATA ... Deferred: 451 4.7.1 Service unavailable - try again later ... while talking to smtpin.rzone.de.: >>> DATA >> DATA ... Deferred: 451 4.7.500 Server busy. Please try again later from [83.138.65.30]. (AS780082) [FR2PEPF000004EF.DEUP281.PROD.OUTLOOK.COM 2025-01-29T11:42:18.311Z 08DD3F6130917F64] ... while talking to smtpin.rzone.de.: >>> DATA >> DATA 550 5.1.1 ... User unknown