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【CSharp】异步发送Email

作者:玉娟 / 发布于2014/10/10/ 383


	Email验证的正则表达式

	string emailStr = @"^([\w-\.]+)@((\[[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.)|(([\w-]+\.)+))([a-zA-Z]{2,4}|[0-9]{1,3})(\]?)$";

	

	/// <summary>
	 /// 异步发送电子邮件
	 /// </summary>
	 /// <param name="fromEmail">发送方电子邮件</param>
	 /// <param name="fromPwd">发送方电子邮件密码</param>
	 /// <param name="toEmail">接收方电子邮件</param>
	 /// <param name="subject">邮件标题</param>
	 /// <param name="body">邮件内空</param>
	 /// <param name="emailType">邮件类型</param> smtp.163.com.cn; smtp.qq.com.cn; smtp.126.com.cn; smtp.sina.com.cn
	 private void SendEmailAsync(string fromEmail, string fromPwd, string toEmail, string subject, string body, string emailType)
	 {
	 MailAddress addrFrom = new MailAddress(fromEmail, fromEmail);
	 MailAddress addrTo = new MailAddress(toEmail, toEmail);
	 MailMessage mm = new MailMessage(addrFrom, addrTo);
	 mm.BodyEncoding = Encoding.UTF8;
	 mm.IsBodyHtml = true;
	 mm.Subject = subject;
	 mm.Body = body;

	 if (!string.IsNullOrEmpty(attFile))
	 {
	 Attachment att = new Attachment(attFile, MediaTypeNames.Application.Octet);
	 ContentDisposition cd = att.ContentDisposition;
	 cd.CreationDate = File.GetCreationTime(attFile);
	 cd.ModificationDate = File.GetLastWriteTime(attFile);
	 cd.ReadDate = File.GetLastAccessTime(attFile);
	 mm.Attachments.Add(att);//添加附件
	 }

	 NetworkCredential nc = new NetworkCredential(fromEmail, fromPwd);
	 SmtpClient smtp = new SmtpClient(emailType);
	 smtp.UseDefaultCredentials = false;
	 smtp.Credentials = nc;
	 smtp.EnableSsl = false;
	 smtp.DeliveryMethod = SmtpDeliveryMethod.Network;
	 smtp.SendCompleted+=new SendCompletedEventHandler(smtp_SendCompleted);
	 smtp.SendAsync(mm, "OK");
	 }

	 void smtp_SendCompleted(object sender, AsyncCompletedEventArgs e)
	 {
	 if (e.UserState.ToString() == "OK")
	 MessageBox.Show("发送成功!", "提示", MessageBoxButtons.OK, MessageBoxIcon.Information);
	 }

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