title: Service not available, closing transmission channel
body: <p>I am using below code in web.config but i got the below error.
        Service not available, closing transmission channel. The server response was:Connect to SMTP server 173.194.70.109 (173.194.70.109:587), connect error 10060.</p>
  
  <pre><code>&lt;system.net&gt;
  
      &lt;defaultProxy enabled="true" useDefaultCredentials="false"&gt;
      &lt;proxy proxyaddress="100.0.0.0" usesystemdefault="True"/&gt;
      &lt;/defaultProxy&gt;
  
      &lt;mailSettings&gt;
        &lt;smtp from="abc@gmail.com" deliveryMethod="Network"&gt;
          &lt;network defaultCredentials="false" host="smtp.gmail.com" port="587" 
          password="abc" userName="abc@gmail.com" /&gt;
         &lt;/smtp&gt;
       &lt;/mailSettings&gt;
  
  &lt;/system.net&gt;
  </code></pre>