asp.net中邮箱发送

using System;using System.Linq;using System.Net.Mail;using System.Text;namespace Micua.Infrastructure.Utility{    /// <summary>    /// 邮件发送助手类    /// </summary>    /// <remarks>    ///  2013-11-18 18:56 Created By iceStone    /// </remarks>    public static class MailHelper    {        PRivate readonly static string SmtpServer = "smtp的服务器地址"; //smtp.wedn.net        private readonly static int SmtpServerPort = 25;        private readonly static bool SmtpEnableSsl = false;        private readonly static string SmtpUsername = "发送的邮箱";          private readonly static string SmtpDisplayName = "测试邮箱123";        private readonly static string SmtpPassWord = "授权码的位置";           /// <summary>        /// 发送邮件到指定收件人        /// </summary>        /// <remarks>        ///  2013-11-18 18:55 Created By iceStone        /// </remarks>        /// <param name="to">收件人地址</param>        /// <param name="subject">主题</param>        /// <param name="mailBody">正文内容(支持HTML)</param>        /// <param name="copyTos">抄送地址列表</param>        /// <returns>是否发送成功</returns>        public static bool Send(string to, string subject, string mailBody, params string[] copyTos)        {            return Send(new[] { to }, subject, mailBody, copyTos, new string[] { }, MailPriority.Normal);        }        /// <summary>        /// 发送邮件到指定收件人        /// </summary>        /// <remarks>        ///  2013-11-18 18:55 Created By iceStone        /// </remarks>        /// <param name="tos">收件人地址列表</param>        /// <param name="subject">主题</param>        /// <param name="mailBody">正文内容(支持HTML)</param>        /// <param name="ccs">抄送地址列表</param>        /// <param name="bccs">密件抄送地址列表</param>        /// <param name="priority">此邮件的优先级</param>        /// <param name="attachments">附件列表</param>        /// <returns>是否发送成功</returns>        /// <exception cref="System.ArgumentNullException">attachments</exception>        public static bool Send(string[] tos, string subject, string mailBody, string[] ccs, string[] bccs, MailPriority priority, params Attachment[] attachments)        {            if (attachments == null) throw new ArgumentNullException("attachments");            if (tos.Length == 0) return false;            //创建Email实体            var message = new MailMessage();            message.From = new MailAddress(SmtpUsername, SmtpDisplayName);            message.Subject = subject;            message.Body = mailBody;            message.BodyEncoding = Encoding.UTF8;            message.IsBodyHtml = true;            message.Priority = priority;            //插入附件            foreach (var attachment in attachments)            {                message.Attachments.Add(attachment);            }            //插入收件人地址,抄送地址和密件抄送地址            foreach (var to in tos.Where(c => !string.IsNullOrEmpty(c)))            {                message.To.Add(new MailAddress(to));            }            foreach (var cc in ccs.Where(c => !string.IsNullOrEmpty(c)))            {                message.CC.Add(new MailAddress(cc));            }            foreach (var bcc in bccs.Where(c => !string.IsNullOrEmpty(c)))            {                message.CC.Add(new MailAddress(bcc));            }            //创建SMTP客户端            var client = new SmtpClient            {                Host = SmtpServer,                Credentials = new System.Net.NetworkCredential(SmtpUsername, SmtpPassword),                DeliveryMethod = SmtpDeliveryMethod.Network,                EnableSsl = SmtpEnableSsl,                Port = SmtpServerPort            };            //client.SendCompleted += Client_SendCompleted;            //try            //{            //发送邮件            client.Send(message);            //client.SendAsync(message,DateTime.Now.ToString());            //client.Dispose();            //message.Dispose();            return true;            //}            //catch (Exception)            //{            //    throw;            //}        }    }}