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Ashok Blog for SQL Learners and Beginners and Experts

Tuesday, 21 March 2017

Database Mail The SMTP server requires a secure connection or the client was not authenticated. The server response was: 5.5.1 Authentication Required in ASP.Net Application.

 The SMTP server requires a secure connection or the client was not authenticated. The server response was: 5.5.1 Authentication Required in ASP.Net Application.


Ref:

https://www.aspsnippets.com/Articles/GMAIL-Error-The-SMTP-server-requires-a-secure-connection-or-the-client-was-not-authenticated.aspx


when you configured database mail but still you are getting error 




solution:


you will get mail from your gmail account  and click on below link to activate it


Kindly click above link and turn on 


Now sending test mail 


success 

now we got mail from dbmail