/// <summary>/// exchange群发邮件/// </summary>/// <param name="credentialUserName">exchange用户名 [example: test]</param>/// <param name="credentialUserPwd">exchange用户密码</param>/// <param name="fromEmail">发送人地址 [example: test@allbring.com]</param>/// <param name="recipientEmail">收件人地址</param>/// <param name="domainName">邮件域名 [example: mail.allbring.com]</param>/// <param name="subjectName">邮件主题</param>/// <param name="bodyVal">邮件内容</param>/// <param name="isHtml">是否为html</param>/// <param name="fileArray">发送上传的路径</param>/// <returns></returns>/// 开发人员：ZJpublic static bool SendExchangeEmails(string credentialUserName, string credentialUserPwd, string fromEmail, List<string> recipientEmail, string domainName, string subjectName, string bodyVal, bool isHtml, string[] fileArray){try{MailMessage message = new MailMessage();MailAddress fromAddress = new MailAddress(fromEmail);foreach (string item in recipientEmail){message.To.Add(item);}message.From = fromAddress;message.Subject = subjectName;message.Body = bodyVal;message.IsBodyHtml = isHtml;if (fileArray != null){for (int i = 0; i < fileArray.Length; i++){//为邮件创建文件附件Attachment attr = new Attachment(fileArray[i], MediaTypeNames.Application.Octet);//添加邮件时间戳信息ContentDisposition conDispositon = attr.ContentDisposition;conDispositon.CreationDate = System.IO.File.GetCreationTime(fileArray[i]);//文件的创建日期conDispositon.ModificationDate = System.IO.File.GetLastWriteTime(fileArray[i]);//文件的修改日期conDispositon.ReadDate = System.IO.File.GetLastAccessTime(fileArray[i]);//文件的读取日期//给邮件添加附件message.Attachments.Add(attr);}}SmtpClient smtpClient = new SmtpClient();smtpClient.Timeout = 50000;smtpClient.Host = domainName;smtpClient.Port = 25;smtpClient.UseDefaultCredentials = false;smtpClient.Credentials = new System.Net.NetworkCredential(credentialUserName, credentialUserPwd);smtpClient.EnableSsl = true;smtpClient.DeliveryMethod = SmtpDeliveryMethod.Network;smtpClient.Send(message);smtpClient.Dispose();return true;}catch (Exception){return false;}}