C#调用Mail发送QQ邮件

/// <summary>
/// 发送邮件,成功返回true,否则false
/// </summary>
/// <param name="to">收件人</param>
/// <param name="body">内容</param>
/// <param name="title">标题</param>
/// <param name="whichEmail">是否join</param>
/// <param name="path">附件</param>
/// <param name="Fname">姓名</param>
/// <returns>结果</returns>
public static bool SentMailHXD(string to, string body, string title, string whichEmail, string path, string Fname)
{
bool retrunBool = false;
MailMessage mail = new MailMessage();
SmtpClient smtp = new SmtpClient();
string strFromEmail = "";//你的邮箱
string strEmailPassword = "";//QQPOP3/SMTP服务码
try
{
mail.From = new MailAddress("" + Fname + "<" + strFromEmail + ">");
mail.To.Add(new MailAddress(to));
mail.BodyEncoding = Encoding.UTF8;
mail.IsBodyHtml = true;
mail.SubjectEncoding = Encoding.UTF8;
mail.Priority = MailPriority.Normal;
mail.Body = body;
mail.Subject = title;
smtp.Host = "smtp.qq.com";
smtp.DeliveryMethod = SmtpDeliveryMethod.Network;
smtp.Credentials = new System.Net.NetworkCredential(strFromEmail, strEmailPassword);
//发送邮件
smtp.Send(mail);   //同步发送
retrunBool = true;
}
catch (Exception ex)
{
retrunBool = false;
}
// smtp.SendAsync(mail, mail.To); //异步发送 （异步发送时页面上要加上Async="true" ）
return retrunBool;
}

SentMailHXD("收件人", "内容, "标题", "抄送", "附件（附件方法我移除了）", "你的姓名");</span>