Apple 2024 5.7.57 Client

Apple 2024 5.7.57 Client. Cannot send mails to mail server. 530 5.7.57 client not authenticated to send mail.


Apple 2024 5.7.57 Client

Given below code showing error. Cannot send mails to mail server.

The Smtp Server Requires A Secure Connection Or The Client Was Not Authenticated.

I have to send mails using my web application.

5.7.57 Client Not Authenticated To Send Mail.

I am trying to send an email from asp.net core application but i keep getting an error that reads.

Client Was Not Authenticated To.

Images References :

I Have To Send Mails Using My Web Application.

Smtp protocol returned a permanent error 530 5.7.57 smtpp;

Using (Mailmessage Mail = New.

Client was not authenticated to send anonymous mail during mail from description domino.

But I Always Get Error: