using System.Web.UI.HtmlControls;
using System.Web.Mail;

/// <summary>
/// Summary description for Class1.
/// </summary>

public class Envia
{

public string Email(string strPara,string strCopia,string strCopiaOculta,string strAssunto,string strCorpo,string strSMTP,string strDe,string strDeSenha,string strMensagemTela )
{

MailMessage email = new MailMessage();
email.BodyFormat = MailFormat.Html;

email.To =strPara;
email.From=strDe;
email.Bcc=strCopiaOculta;
email.Cc=strCopia;
email.Subject=strAssunto;
email.Body=strCorpo;

email.Fields["http://schemas.microsoft.com/cdo/configuration/smtsperver"]= strSMTP;
email.Fields["http://schemas.microsoft.com/cdo/configuration/smtpserverport"] = 25;
email.Fields["http://schemas.microsoft.com/cdo/configuration/sendusing"] = 2;
email.Fields["http://schemas.microsoft.com/cdo/configuration/smtpauthenticate"] = 1;
email.Fields["http://schemas.microsoft.com/cdo/configuration/sendusername"] = strDe;
email.Fields["http://schemas.microsoft.com/cdo/configuration/sendpassword"] = strDeSenha;

SmtpMail.SmtpServer=strSMTP;
SmtpMail.Send(email);

return "<script> alert('"+strMensagemTela+"') </script>";
}

}