Create email using ASP.NET MVC views
Postal sends email using the .NET Frameworkâs built-in SmtpClient.
You can configure this in your Web.config file.
See the MSDN documentation for more details.
<configuration>
  ...
  <system.net>
    <mailSettings>
      <smtp deliveryMethod="network">
        <network host="example.org" port="25" defaultCredentials="true"/>
      </smtp>
    </mailSettings>
  </system.net>
  ...
</configuration>