Unable to send email with smtp client

First of all, my website sends email just fine on another host.  I should not really have to change anything to make it work on this webhost. However, I have followed the instructions for this host and it is not working. Here is my current web.config.  
<system.net> <mailSettings> <smtp deliveryMethod="Network" from=".com"> <network host="localhost" port="25" userName=".com" password="" /> </smtp> </mailSettings> </system.net>  Public Shared Function SendSimpleMail(ByVal fromAccount As String, ByVal toAccount As String, ByVal title As String, ByVal msg As String) As Boolean HttpContext.Current.Response.Write("FROM: " & fromAccount & " TO: " & toAccount &a ...