<>

发送邮件报错说明

发送邮件 假设发送人的邮箱username与邮箱password都没有填写错误：假设报：參数或变量中有语法错误。 server响应为:mail from address must be same as authorization user错误，问题可能出在authorization user  没授权。假设是QQ邮箱。那么仅仅要进入QQ邮箱。QQ邮箱：设置---账户  找到POP3/IMAP/SMTP服务  都开启。这时候发现能够发送邮件了。

假设报：SMTP server要求安全连接或client未通过身份验证。

server响应为:Must issue a STARTTLS command first. 可能出现的问题是发送邮件的serverport（smtp.Port）配置错误。 比如：smtp.Port = 25

假设报：命令顺序不对。

server响应为:Error: need EHLO and AUTH first ! 非常有可能是发件人邮箱的username写错了；比如：（smtp.Credentials = new NetworkCredential("邮箱的username", "发件人邮箱password");

假设报：參数或变量中有语法错误。 server响应为:mail from address must be same as authorization user  非常有可能是发件人邮箱的password错误了：比如：（smtp.Credentials = new NetworkCredential("邮箱的username", "发件人邮箱password");

==============================================================================

web.config配置文件

  <appSettings>

    <!--2015-06-26 Create-->

    <!-- Smtp server -->

    <add key="SmtpHost" value="smtp.qq.com" />

    <!-- Smtp serverport -->

    <add key="SmtpPort" value="587" />

    <!--发送者 Email 地址-->

    <add key="FromEmailAddress" value="wowo@qq.com" />

    <!--发送者 Email password-->

    <add key="FormEmailPassword" value="123456789" />

    <add key="ToEmailListString" value="123@qq.com;456@qq.com"/>

    <add key="CcEmailListString" value="CBA@qq.com"/>

    <add key="BccEmailListString" value="NBA@qq.com"/>

  </appSettings>

Home控制器

using CFPS_Redesign;

using System;

using System.Collections.Generic;

using System.Linq;

using System.Web;

using System.Web.Mvc;

namespace MVC发送邮件測试.Controllers

{

    public class HomeController : Controller

    {

        //

        // GET: /Home/

        public ActionResult SendEmail()

        {

            EmailHelper eh = new EmailHelper("邮件的主题", "你什么时候过来吃饭？");

            if (eh.SendEmail())

            {

                return View();

            }

            else

            {

                return Content("on");

            }

        }

    }

}

EmailHelper邮件发送类

using System;

using System.Collections.Generic;

using System.Configuration;

using System.Linq;

using System.Net;

using System.Net.Mail;

using System.Text;

namespace CFPS_Redesign

{

    /// <summary>

    /// Author      : Bin

    /// Date        : 2015-06-26

    /// Description : 邮件发送辅助类

    /// </summary>

    public class EmailHelper

    {

        #region [ 属性(发送Email相关) ]

        private string _SmtpHost = string.Empty;

        private int _SmtpPort = -1;

        private string _FromEmailAddress = string.Empty;

        private string _FormEmailPassword = string.Empty;

        private string _ToEmailListString = string.Empty;

        private string _CcEmailListString = string.Empty;

        private string _BccEmailListString = string.Empty;

        /// <summary>

        /// smtp server

        /// </summary>

        public string SmtpHost

        {

            get

            {

                if (string.IsNullOrEmpty(_SmtpHost))

                {

                    _SmtpHost = ConfigurationManager.AppSettings["SmtpHost"];

                }

                return _SmtpHost;

            }

        }

        /// <summary>

        /// smtp serverport  默觉得25

        /// </summary>

        public int SmtpPort

        {

            get

            {

                if (_SmtpPort == -1)

                {

                    if (!int.TryParse(ConfigurationManager.AppSettings["SmtpPort"], out _SmtpPort))

                    {

                        _SmtpPort = 25;

                    }

                }

                return _SmtpPort;

            }

        }

        /// <summary>

        /// 发送者 Eamil 地址

        /// </summary>

        public string FromEmailAddress

        {

            get

            {

                if (string.IsNullOrEmpty(_FromEmailAddress))

                {

                    _FromEmailAddress = ConfigurationManager.AppSettings["FromEmailAddress"];

                }

                return _FromEmailAddress;

            }

        }

        /// <summary>

        /// 发送者 Eamil password

        /// </summary>

        public string FormEmailPassword

        {

            get

            {

                if (string.IsNullOrEmpty(_FormEmailPassword))

                {

                    _FormEmailPassword = ConfigurationManager.AppSettings["FormEmailPassword"];

                }

                return _FormEmailPassword;

            }

        }

        #endregion

        #region [ 属性(邮件相关) ]

        /// <summary>

        /// 收件人 Email 列表，多个邮件地址之间用 半角逗号“,”或者分号“;”,或者竖线“|” 等符号分隔开

        /// </summary>

        public string ToEmailListString

        {

            get

            {

                if (string.IsNullOrEmpty(_ToEmailListString))

                {

                    return ConfigurationManager.AppSettings["ToEmailListString"];

                }

                return _ToEmailListString;

            }

            set

            {

                this._ToEmailListString = value;

            }

        }

        /// <summary>

        /// 邮件的抄送者，支持群发，多个邮件地址之间用 半角逗号“,”或者分号“;”,或者竖线“|” 等符号分隔开

        /// </summary>

        public string CcEmailListString

        {

            get

            {

                if (string.IsNullOrEmpty(this._CcEmailListString))

                {

                    return ConfigurationManager.AppSettings["CcEmailListString"];

                }

                return _CcEmailListString;

            }

            set

            {

                this._CcEmailListString = value;

            }

        }

        /// <summary>

        /// 邮件的密送者，支持群发，多个邮件地址之间用 半角逗号“,”或者分号“;”,或者竖线“|” 等符号分隔开

        /// </summary>

        public string BccEmailListString

        {

            get

            {

                if (string.IsNullOrEmpty(_BccEmailListString))

                {

                    return ConfigurationManager.AppSettings["BccEmail"];

                }

                return _BccEmailListString;

            }

            set

            {

                this._BccEmailListString = value;

            }

        }

        /// <summary>

        /// 邮件标题

        /// </summary>

        public string Subject { get; set; }

        /// <summary>

        /// 邮件正文

        /// </summary>

        public string EmailBody { get; set; }

        private bool _IsBodyHtml;

        /// <summary>

        /// 邮件正文是否为Html格式

        /// </summary>

        public bool IsBodyHtml

        {

            get { return _IsBodyHtml; }

            set { _IsBodyHtml = value; }

        }

        /// <summary>

        /// 附件列表

        /// </summary>

        public List<Attachment> AttachmentList { get; set; }

        #endregion

        #region [ 构造函数 ]

        /// <summary>

        /// 构造函数(EmailBody默觉得html格式)

        /// </summary>

        /// <param name="subject">邮件标题</param>

        /// <param name="emailBody">邮件正文</param>

        public EmailHelper(string subject, string emailBody)

        {

            this.Subject = subject;

            this.IsBodyHtml = true;

            this.EmailBody = emailBody;

        }

        /// <summary>

        /// 构造函数

        /// </summary>

        /// <param name="subject">邮件标题</param>

        /// <param name="isBodyHtml">邮件正文是否为Html格式</param>

        /// <param name="emailBody">邮件正文</param>

        public EmailHelper(string subject, bool isBodyHtml, string emailBody)

        {

            this.Subject = subject;

            this.IsBodyHtml = IsBodyHtml;

            this.EmailBody = emailBody;

        }

        /// <summary>

        /// 构造函数(EmailBody默觉得html格式)

        /// </summary>

        /// <param name="subject">邮件标题</param>

        /// <param name="emailBody">邮件正文</param>

        /// <param name="attachmentList">附件列表</param>

        public EmailHelper(string subject, string emailBody, List<Attachment> attachmentList)

        {

            this.Subject = subject;

            this.EmailBody = emailBody;

            this.AttachmentList = attachmentList;

            this.IsBodyHtml = true;

        }

        /// <summary>

        /// 构造函数

        /// </summary>

        /// <param name="subject">邮件标题</param>

        /// <param name="emailBody">邮件正文</param>

        /// <param name="isBodyEmail">邮件正文是否为Html格式</param>

        /// <param name="attachmentList">附件列表</param>

        public EmailHelper(string subject, string emailBody, bool isBodyEmail, List<Attachment> attachmentList)

        {

            this.Subject = subject;

            this.EmailBody = emailBody;

            this.AttachmentList = attachmentList;

        }

        /// <summary>

        /// 构造函数 (EmailBody默觉得html格式)

        /// </summary>

        /// <param name="toList">收件人列表字符串</param>

        /// <param name="subject">邮件标题</param>

        /// <param name="emailBody">邮件正文</param>

        public EmailHelper(string toEmailListString, string subject, string emailBody)

        {

            this.ToEmailListString = toEmailListString;

            this.Subject = subject;

            this.EmailBody = emailBody;

            this.IsBodyHtml = true;

        }

        /// <summary>

        /// 构造函数

        /// </summary>

        /// <param name="toList">收件人列表字符串</param>

        /// <param name="subject">邮件标题</param>

        /// <param name="isBodyHtml">邮件正文是否为Html格式</param>

        /// <param name="emailBody">邮件正文</param>

        public EmailHelper(string toEmailListString, string subject, bool isBodyHtml, string emailBody)

        {

            this.ToEmailListString = toEmailListString;

            this.Subject = subject;

            this.IsBodyHtml = isBodyHtml;

            this.EmailBody = emailBody;

        }

        /// <summary>

        /// 构造函数

        /// </summary>

        /// <param name="toEmailListString">收件人列表字符串</param>

        /// <param name="ccEmailListString">抄送人列表字符串</param>

        /// <param name="subject">邮件标题</param>

        /// <param name="isBodyHtml">邮件正文是否为Html格式</param>

        /// <param name="emailBody">邮件正文</param>

        public EmailHelper(string toEmailListString, string ccEmailListString, string subject, bool isBodyHtml, string emailBody)

        {

            this.ToEmailListString = toEmailListString;

            this.CcEmailListString = ccEmailListString;

            this.Subject = subject;

            this.IsBodyHtml = isBodyHtml;

            this.EmailBody = emailBody;

        }

        /// <summary>

        /// 构造函数

        /// </summary>

        /// <param name="toEmailListString">收件人列表字符串</param>

        /// <param name="ccEmailListString">抄送人列表字符串</param>

        /// <param name="subject">邮件标题</param>

        /// <param name="isBodyHtml">邮件正文是否为Html格式</param>

        /// <param name="emailBody">邮件正文</param>

        /// <param name="attachmentList">附件列表</param>

        public EmailHelper(string toEmailListString, string ccEmailListString, string subject, bool isBodyHtml, string emailBody, List<Attachment> attachmentList)

        {

            this.ToEmailListString = toEmailListString;

            this.CcEmailListString = ccEmailListString;

            this.Subject = subject;

            this.IsBodyHtml = isBodyHtml;

            this.EmailBody = emailBody;

            this.AttachmentList = attachmentList;

        }

        /// <summary>

        /// 构造函数

        /// </summary>

        /// <param name="toEmailListString">收件人列表字符串</param>

        /// <param name="ccEmailListString">抄送人列表字符串</param>

        /// <param name="bccEmailListString">密送人列表字符串</param>

        /// <param name="subject">邮件标题</param>

        /// <param name="isBodyHtml">邮件正文是否为Html格式</param>

        /// <param name="emailBody">邮件正文</param>

        public EmailHelper(string toEmailListString, string ccEmailListString, string bccEmailListString, string subject, bool isBodyHtml, string emailBody)

        {

            this.ToEmailListString = toEmailListString;

            this.CcEmailListString = ccEmailListString;

            this.BccEmailListString = bccEmailListString;

            this.Subject = subject;

            this.IsBodyHtml = isBodyHtml;

            this.EmailBody = emailBody;

        }

        /// <summary>

        /// 构造函数

        /// </summary>

        /// <param name="toEmailListString">收件人列表字符串</param>

        /// <param name="ccEmailListString">抄送人列表字符串</param>

        /// <param name="bccEmailListString">密送人列表字符串</param>

        /// <param name="subject">邮件标题</param>

        /// <param name="isBodyHtml">邮件正文是否为Html格式</param>

        /// <param name="emailBody">邮件正文</param>

        /// <param name="attachmentList">附件列表</param>

        public EmailHelper(string toEmailListString, string ccEmailListString, string bccEmailListString, string subject, bool isBodyHtml, string emailBody, List<Attachment> attachmentList)

        {

            this.ToEmailListString = toEmailListString;

            this.CcEmailListString = ccEmailListString;

            this.BccEmailListString = bccEmailListString;

            this.Subject = subject;

            this.IsBodyHtml = isBodyHtml;

            this.EmailBody = emailBody;

            this.AttachmentList = attachmentList;

        }

        #endregion

        #region [ 发送邮件 ]

        /// <summary>

        /// 发送邮件

        /// </summary>

        /// <returns></returns>

        public bool SendEmail()

        {

            try

            {

                MailMessage mm = new MailMessage(); //实例化一个邮件类

                mm.Priority = MailPriority.Normal; //邮件的优先级，分为 Low, Normal, High。通经常使用 Normal就可以

                mm.From = new MailAddress(this.FromEmailAddress, "管理员", Encoding.GetEncoding("GB2312"));

                //收件人

                if (!string.IsNullOrEmpty(this.ToEmailListString))

                {

                    string[] toEmailArray = this.ToEmailListString.Split(new char[] { ';', ',', '|', ' ' }, StringSplitOptions.RemoveEmptyEntries);

                    foreach (string toEmail in toEmailArray)

                    {

                        mm.To.Add(toEmail.Trim());

                    }

                }

                //抄送人

                if (!string.IsNullOrEmpty(this.CcEmailListString))

                {

                    string[] CcEmailArray = this.CcEmailListString.Split(new char[] { ';', ',', '|', ' ' }, StringSplitOptions.RemoveEmptyEntries);

                    foreach (string ccEmail in CcEmailArray)

                    {

                        mm.CC.Add(ccEmail.Trim());

                    }

                }

                //密送人

                if (!string.IsNullOrEmpty(this.BccEmailListString))

                {

                    string[] BccEmailArray = this.BccEmailListString.Split(new char[] { ';', ',', '|', ' ' }, StringSplitOptions.RemoveEmptyEntries);

                    foreach (string bccEmail in BccEmailArray)

                    {

                        mm.Bcc.Add(bccEmail.Trim());

                    }

                }

                mm.Subject = this.Subject;                            //邮件标题

                mm.SubjectEncoding = Encoding.GetEncoding("GB2312");  //这里很重要。假设你的邮件标题包括中文。这里一定要指定。否则对方收到的极有可能是乱码。

                mm.IsBodyHtml = this.IsBodyHtml;                      //邮件正文是否是HTML格式

                mm.BodyEncoding = Encoding.GetEncoding("GB2312");     //邮件正文的编码， 设置不对。 接收者会收到乱码

                mm.Body = this.EmailBody;                             //邮件正文

                //邮件附件

                if (this.AttachmentList != null && this.AttachmentList.Count > 0)

                {

                    foreach (Attachment attachment in this.AttachmentList)

                    {

                        mm.Attachments.Add(attachment);

                    }

                }

                SmtpClient smtp = new SmtpClient();                 //实例化一个SmtpClient

                smtp.DeliveryMethod = SmtpDeliveryMethod.Network;   //将smtp的出站方式设为 Network

                smtp.EnableSsl = false;                             //smtpserver是否启用SSL加密

                smtp.Host = this.SmtpHost;                          //指定 smtp server地址

                //smtp.Port = this.SmtpPort;                        //指定 smtp server的port。默认是25。假设採用默认port。可省去

                //smtp.UseDefaultCredentials = true;                //假设你的SMTPserver不须要身份认证。则使用以下的方式，只是。眼下基本没有不须要认证的了

                smtp.Credentials = new NetworkCredential(this.FromEmailAddress, this.FormEmailPassword);    //假设须要认证，则用这样的方式

                //发送邮件，假设不返回异常， 则大功告成了。

                smtp.Send(mm);

                return true;

            }

            catch (Exception e)

            {

               return false;

            }

        }

        #endregion

    }

}


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