.net 发送Email

using System.Net.Mail;
using System.Net;

发送EMail 是在这上面的命名空间下的。

见代码。最好是用异步发送，SmtpClient这个有个事件，可以表明是否发送成功。

 

    /// <summary>
        /// 发送Email
        /// </summary>
        /// <param name="toMailAddress">收件人地址</param>
        /// <param name="isBCC">是否密件抄送</param>
        /// <param name="ccEmails">抄送的地址集合</param>
        /// <param name="subject">邮件的标题</param>
        /// <param name="body">正文</param>
        /// <param name="sendMailAddress">发送邮件的地址</param>
        /// <param name="senMailPwd">发送邮件的密码</param>
        /// <param name="port">端口号</param>
        /// <param name="host">smtp事务机的主机或者IP地址</param>
        /// <param name="attachments">附件的地址集合</param>
        /// <returns>TRUE/FALSE</returns>
        public bool SendMail(string toMailAddress, bool isBCC,
                              string[] ccEmails, string subject,
                              string body, string sendMailAddress,
                              string senMailPwd, int port, string host,
                              List<string> attachments,string sendName)
        {
            MailMessage msg = new MailMessage();
            msg.To.Add(toMailAddress);

            if (ccEmails != null)
            {
                foreach (string email in ccEmails)
                {
                    if (isBCC)
                    {
                        msg.Bcc.Add(email);
                    }
                    else
                    {
                        msg.CC.Add(email);
                    }
                }
            }

            msg.From = new MailAddress(sendMailAddress, sendName, Encoding.UTF8);
            msg.Subject = subject;
            msg.SubjectEncoding = Encoding.UTF8;

            msg.Body = body;
            msg.BodyEncoding = Encoding.UTF8;

            msg.IsBodyHtml = false;
            msg.Priority = MailPriority.High;

            if (attachments != null)
            {
                foreach (string attachment in attachments)
                {
                    msg.Attachments.Add(new Attachment(attachment));
                }
            }

            SmtpClient client = new SmtpClient();
            client.Credentials = new NetworkCredential(sendMailAddress, senMailPwd);
            client.Port = port < 0 ? 25 : port;
            client.Host = host;
            //client.Host = "124.207.241.165";
            if (port == 587)
            {
                client.EnableSsl = true;
            }
            try
            {
                client.SendAsync(msg, msg);
                return true;
            }
            catch (Exception ex)
            {
                return false;
            }
        }