c# 郵件發送代碼分享

        /// <summary>
        /// 發送郵件方法
        /// </summary>
        /// <param name="sendMail">發送人</param>
        /// <param name="recMail">接收人(可以是多個，用;分號隔開)</param>
        /// <param name="subject">主題</param>
        /// <param name="body">正文</param>
        /// <param name="host">服務器名稱</param>
        /// <param name="pwd">密碼</param>
        /// <param name="filePath">文件路徑</param>
        /// <returns></returns>
        public static bool SendMail(string sendMail,string recMail,string subject,string body,string host,string pwd,string filePath)
        {
            bool result = true;
            MailMessage mailObj = new MailMessage();
            try
            { 
                mailObj.From = new MailAddress(sendMail); //發送人郵箱地址
                string[] rmail = recMail.Split(';');
                foreach (var item in rmail)
                {
                    mailObj.To.Add(item);   //收件人郵箱地址    
                }
                mailObj.Subject = subject;    //主題
                mailObj.Body = body;    //正文
                mailObj.IsBodyHtml = true;
                if (!string.IsNullOrWhiteSpace(filePath))
                {
                    mailObj.Attachments.Add(new Attachment(@filePath, System.Net.Mime.MediaTypeNames.Application.Rtf));
                }
                SmtpClient smtp = new SmtpClient();
                smtp.Host = host;         //smtp服務器名稱
                smtp.Port = 25;
                smtp.UseDefaultCredentials = true;
                smtp.Credentials = new NetworkCredential(sendMail, pwd);  //發送人的登錄名和密碼
                smtp.Send(mailObj);
            }
            catch (Exception ex)
            {
                result = false;
                CommOperation.EditFileLog("SendMail.txt", ex.Message, false);
            }
            finally
            {
                //釋放郵件發送點用附件--沒有這句，會無法刪除，一直占用文件。
                foreach (Attachment item in mailObj.Attachments)
                {
                    item.Dispose();
                }
            }
            return result;
        }
工作中用到的一個郵件發送代碼，帶附件，附件發送完成後，可以刪除。