Your email provider is stating 0025 REPLY : 504 5.7.4 Unrecognized authentication type [LO4P123CA0679.GBRP123.PROD.OUTLOOK.COM 2024-09-25T09:12:25.177Z 08DCDCE3BE51AF33] You would need to contact whoever looks after your email account or your email provider to find out why that would be the case