using System; using System.Collections.Generic; using System.Linq; using System.Web; using System.Net.Mail; using System.Configuration; using System.Net; using System.Reflection; using System.Text; namespace SendMailMessage.Uitls { public class EMail { // 实例化一个邮件类 MailMessage _mailMessage = new MailMessage(); /// <summary> /// 发件使用的邮箱地址 /// </summary> private string _fromEmail = ConfigurationManager.AppSettings["EmailSender"].ToString(); /// <summary> /// 发件邮箱地址密码 /// </summary> private string _senderPassword = ConfigurationManager.AppSettings["EmailServer_Pwd"].ToString(); /// <summary> /// 显示在邮件上的发件人名称 /// </summary> private string _displayName = ConfigurationManager.AppSettings["EmailSenderName"].ToString(); /// <summary> /// 发件邮箱使用的服务器 /// </summary> private string _smtp = ConfigurationManager.AppSettings["EmailServer"].ToString(); /// <summary> /// 邮件的接收者 /// </summary> private string ToEmail { set; get; } /// <summary> /// 抄送 /// </summary> private string CC { set; get; } /// <summary> /// 密送 /// </summary> private string Bcc { set; get; } /// <summary> /// 邮件标题 /// </summary> private string Subject { set; get; } /// <summary> /// 邮件正文 /// </summary> private string Body { set; get; } /// <summary> /// 附件 /// </summary> private string Attachments { set; get; } public EMail(string toEmail, string subject, string body) { ToEmail = toEmail; Subject = subject; Body = body; } public EMail(string toEmail, string cc, string bcc, string subject, string body, string attachments) { CC = cc; Bcc = bcc; ToEmail = toEmail; Subject = subject; Body = body; Attachments = attachments; } /// <summary> /// 发送email /// </summary> /// <param name="toEmail">邮件的接收者，支持群发，多个地址之间用半角逗号分开</param> /// <param name="subject">主题</param> /// <param name="body">正文</param> public static bool SendEmail(string toEmail, string subject, string body) { EMail email = new EMail(toEmail, subject, body); return email.Send(); } /// <summary> /// 发送email /// </summary> /// <param name="toEmail">邮件的接收者，支持群发，多个地址之间用半角逗号分开</param> /// <param name="cc">抄送，多个地址之间用半角逗号分开</param> /// <param name="bcc">密送，多个地址之间用半角逗号分开</param> /// <param name="subject">主题</param> /// <param name="body">正文</param> /// <param name="attachments">附件地址</param> public static bool SendEmail(string toEmail, string cc, string bcc, string subject, string body, string attachments) { EMail email = new EMail(toEmail, cc, bcc, subject, body, attachments); return email.Send(); } /// <summary> /// 邮件发送 /// </summary> public bool Send() { Type type = typeof(SmtpClient); SmtpClient _smtpClient = new SmtpClient(); bool result = false; try { // 将smtp的出站方式设为Network _smtpClient.DeliveryMethod = SmtpDeliveryMethod.Network; // smtp服务器是否启用SSL加密 _smtpClient.EnableSsl = false; // 指定smtp服务器地址 _smtpClient.Host = _smtp; // 指定smtp服务器的端口，默认是25，如果采用默认端口，可省去 //smtp.Port = 25; // 如果你的SMTP服务器不需要身份认证，则使用下面的方式，不过，目前基本没有不需要认证的了 //smtp.UseDefaultCredentials = true; // 如果需要认证，则用下面的方式 _smtpClient.Credentials = new NetworkCredential(_fromEmail, _senderPassword); // 邮件的优先级，分为Low、Normal、 High，通常用Normal即可 _mailMessage.Priority = MailPriority.High; // 收件方看到的邮件来源；第一个参数是发信人邮件地址，第二参数是发信人显示的名称，第三个参数是第二个参数所使用的编码，如果指定不正确，则对方收到后显示乱码，936是简体中文的codepage值 _mailMessage.From = new MailAddress(_fromEmail, _displayName, Encoding.GetEncoding(936)); // ReplyTo 表示对方回复邮件时默认的接收地址，即：你用一个邮箱发信，但却用另一个来收信，后两个参数的意义，同From _mailMessage.ReplyTo = new MailAddress(_fromEmail, _displayName, Encoding.GetEncoding(936)); // 邮件的接收者，支持群发，多个地址之间用半角逗号分开 _mailMessage.To.Add(ToEmail); // 抄送 if (!string.IsNullOrEmpty(CC)) { _mailMessage.CC.Add(CC); } // 密送 if (!string.IsNullOrEmpty(Bcc)) { _mailMessage.Bcc.Add(Bcc); } // 邮件标题 _mailMessage.Subject = Subject; // 这里非常重要，如果你的邮件标题包含中文，这里一定要指定，否则对方收到的极有可能是乱码 _mailMessage.SubjectEncoding = Encoding.GetEncoding(936); // 邮件正文是否是HTML格式 _mailMessage.IsBodyHtml = true; // 邮件正文的编码，设置不正确，接收者会收到乱码 _mailMessage.BodyEncoding = Encoding.GetEncoding(936); // 邮件正文 _mailMessage.Body = Body; // 附件 if (!string.IsNullOrEmpty(Attachments)) { string[] attachmentsArray = Attachments.Split(','); for (int i = 0; i < attachmentsArray.Length; i++) { _mailMessage.Attachments.Add(new Attachment(attachmentsArray[i])); } } // 发送邮件 _smtpClient.Send(_mailMessage); result = true; } catch (Exception ex) { result = false; } return result; } } }