C#异步发送Email代码

概述C#异步发送Email代码

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异步发送电子邮件代码

/// <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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