Web.config for sending email using ASP

Web.config

<system.net>
  <mailSettings>
    <smtp>
      <network defaultCredentials="false" 
           host="mail.yourdomain.com" port="25" 
           userName="name-to-send-email@yourdomain.com" 
           password="*****"/>
     </smtp>
   </mailSettings>
</system.net>