Invalid login: 535 5.7.139 Authentication unsuccessful, SmtpClientAuthentication is disabled for the Tenant. Visit https://aka.ms/smtp_auth_disabled for more information. [BL0PR1501CA0024.namprd15.prod.outlook.com]
1 Answers
It means that you have to enable the SMTP Authentication from your email account in order to allow access to the Nodemailer.
This is a link to the Microsoft documentation. Are you using an external server like Godaddy?
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