The original message was received at Thu, 17 Mar 2022 05:26:47 -0400 from atl4mhho02.myregisteredsite.com [209.17.115.107] ----- The following addresses had permanent fatal errors ----- (reason: 550 5.7.1 Blocked by SpamAssassin) ----- Transcript of session follows ----- ... while talking to smtp.subspace.kernel.org.: >>> DATA <<< 550 5.7.1 Blocked by SpamAssassin 554 5.0.0 Service unavailable