.........上个 帖子还有1段

public class SmtpMail
{
private static string _SmtpServer;

/// <summary>
/// 格式：SmtpAccount:Password@SmtpServerAddress<br>
/// 或者：SmtpServerAddress<br>
/// <code>
/// SmtpMail.SmtpServer="user:12345678@smtp.126.com";
/// //或者:
/// SmtpMail.SmtpServer="smtp.126.com";
/// 或者：
/// SmtpMail.SmtpServer=SmtpServerHelper.GetSmtpServer("user","12345678","smtp.126.com");
/// </code>
/// </summary>
public static string SmtpServer
{
set { _SmtpServer = value; }
get { return _SmtpServer; }
}

public static bool Send(MailMessage mailMessage, bool ESmtp, string username, string password)
{
SmtpServerHelper helper = new SmtpServerHelper();
return helper.ToSendEmail(_SmtpServer, 25, ESmtp, username, password, mailMessage);
}

}

#endregion
}