Cannot get the full name or e-mail address of user

string displayName = "";
string emailAddress = "";
try
{
    SPUtility.GetFullNameandEmailfromLogin(web, login, out displayName,
        out emailAddress);
}
catch (Exception ex)
{
    Console.WriteLine("Unable to get user information.");
    Console.WriteLine("Error: "+ex.Message);
    Console.Write("Press any key...");
    Console.ReadKey();  

    return;
}
Console.WriteLine("Display Name: {0}\nE-mail: {1}", displayName,
    emailAddress);

string subject = "Test message";
string body = "Testing app message";
MailServerInfo serverInfo = new MailServerInfo(spSite);  

string server = serverInfo.Server;
string replyTo = serverInfo.ReplyTo;
string from = serverInfo.From;  

Console.WriteLine(serverInfo.ServerInformation);
Console.WriteLine("Trying to send e-mail via Sharepoint...");  

if (!SPUtility.SendEmail(web, true, true, emailAddress, subject, body))
{
    Console.WriteLine("Error: Unable to send e-mail via Sharepoint");
    Console.WriteLine("Trying via SMTP...");  

    SmtpClient client;
    try
    {
        client = new SmtpClient(server);
    }
    catch (Exception ex)
    {
        Console.WriteLine("Could not contact server");
        Console.WriteLine("Error: " + ex.Message);
        Console.Write("Press any key...");
        Console.ReadKey();  

        return;
    }
    try
    {  

        client.Send(from, emailAddress, subject, body);  

    }
    catch (Exception ex)
    {
        Console.WriteLine("Unable to send via SMTP client");
        Console.WriteLine("Error: " + ex.Message);
        Console.Write("Press any key...");
        Console.ReadKey();  

        return;
    }
    Console.WriteLine("E-mail has been sent successfully via SMTP client");  

}
else
{
    Console.WriteLine("E-mail has been sent successfully via Sharepoint");
}