The SMTP server requires a secure connection or the client was not authenticated
I am getting this error The SMTP server requires a secure connection or the client was not authenticated. The server response was: 5.7.0 Must issue a STARTTLS command first. e17sm974159fak.34 Web.config <mailSettings> <smtp deliveryMethod="Network" from="emailaccount@gmail.com"> <network defaultCredentials="false" host="smtp.gmail.com" port="587" userName="emailaccount@gmail.com" password="12345678" /> </smtp> </mailSettings> Code file public void Submit() { EnsureCurrentlyValid(); // Send via email var message = new StringBuilder(); message.AppendFormat("Date: {0:yyyy-MM-dd hh:mm}\n",