I am getting this error and have tried so many different options. Using Office 365 Error: 504 5.7.4 Unrecognized authentication type [MN2PR20CA0010.namprd20.prod.outlook.com] Settings here: DISCOURSE_SMTP_ADDRESS: smtp.office365.com DISCOURSE_SMTP_PORT: 587 DISCOURSE_SMTP_USER_NAME: email …

SMTP unrecognized authentication type with Office 365

pierreozoux (Pierreozoux) February 14, 2023, 10:43am 14

As of 2023, pop3 auth is not possible anymore in exchange.

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