C# 连接 Exchange 发送邮件

C#连接Exchange 发送邮件代码如下

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/// <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：ZJ

        public 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;

            }

        }

如果exchange服务器只做了证书，在发送邮件的机器上也要安装证书邮件才能发送出去。

参考地址：https://social.technet.microsoft.com/Forums/en-US/d37c7e8a-6d42-498a-bad4-5eb0ab7e9d40/connecting-to-exchange-server-using-c-to-send-an-email?forum=exchangesvrdevelopment

http://www.systemnetmail.com/faq/2.4.aspx