阿里云 服务器 邮件发送

using System.Configuration;
using System.Collections.Specialized;
using System.IO;
using System.Net.Mail;

public string BulidFile(string tempPath, NameValueCollection values)
        {
            string prefix = "[$";
            string postfix = "]";
            StreamReader reader = null;
            string template = string.Empty;
            try
            {
                reader = new StreamReader(tempPath);
                template = reader.ReadToEnd();
                reader.Close();
                if (values != null)
                {
                    foreach (string key in values.AllKeys)
                    {
                        template = template.Replace(string.Format("{0}{1}{2}", prefix, key, postfix), values[key]);
                    }
                }
            }
            catch
            {

            }
            finally
            {
                if (reader != null)
                    reader.Close();
            }
            return template;

        }

<appSettings>
    <!-- 发送地址-->
    <add key="sendFrom" value="111111111@qq.com" />
    <!-- 发送人的名字-->
    <add key="sendUserName" value="发送人姓名" />
    <!-- 邮件标题-->
    <add key="sendTitle" value="EmailTitle" />
    <!-- 邮箱用户名-->
    <add key="userName" value="111111111@qq.com" />
    <!-- 邮箱密码注意使用授权码-->
    <add key="passWord" value="bccdbrpveswhbghj" />
    <!-- 邮箱服务器地址-->
    <add key="smtpServer" value="smtp.qq.com" />
  </appSettings>

 1 public void SendEmail(string recName)
 2         {
 3             string templetpath = Server.MapPath("../../Resource/EmailTemplate/Email.txt");
 4             NameValueCollection myCol = new NameValueCollection();
 5             string Url ="";
 6             string Name = "";
 7             myCol.Add("NAME", Name);
 8             myCol.Add("URL", Url);
 9             string mailBody = BulidFile(templetpath, myCol);
10             string sendFrom = ConfigurationManager.AppSettings["sendFrom"]; //生成一个发送地址
11             string sendUserName = ConfigurationManager.AppSettings["sendUserName"];//发送人的名字          
12             string sendTitle = ConfigurationManager.AppSettings["sendTitle"];//发送邮件标题
13             string username = ConfigurationManager.AppSettings["userName"];//发送邮箱用户名
14             string passwd = ConfigurationManager.AppSettings["passWord"];//发送邮箱密码
15             string smtpServer = ConfigurationManager.AppSettings["smtpServer"];//发送邮箱密码
16             MailMessage msg = new MailMessage();
17             msg.To.Add(recName);
18             /*   
19             * msg.To.Add("b@b.com");   
20             * msg.To.Add("b@b.com");   
21             * msg.To.Add("b@b.com");可以发送给多人   
22             */
23             /*   
24             * msg.CC.Add("c@c.com");   
25             * msg.CC.Add("c@c.com");可以抄送给多人   
26             */
27             /* 上面3个参数分别是发件人地址（可以随便写），发件人姓名，编码*/
28             msg.From = new MailAddress(sendFrom);
29             msg.Subject = sendTitle;//邮件标题    
30             msg.SubjectEncoding = System.Text.Encoding.UTF8;//邮件标题编码    
31             msg.Body = mailBody;//邮件内容    
32             msg.BodyEncoding = System.Text.Encoding.UTF8;//邮件内容编码    
33             msg.Priority = System.Net.Mail.MailPriority.High;//邮件优先级    
34             msg.IsBodyHtml = false;//是否是HTML邮件    
35             SmtpClient client = new SmtpClient();
36             //注意一下三行代码
37             client.EnableSsl = true;
38             client.UseDefaultCredentials = false;
39             client.DeliveryMethod = SmtpDeliveryMethod.Network;
40             //指定发件人的邮件地址和密码以验证发件人身份默认端口为25
41             client.Port = 587;
42             client.Credentials = new System.Net.NetworkCredential(sendFrom, passwd);
43             client.Host = smtpServer;
44             try
45             {
46                 client.Send(msg);  --异步可使用SendAsync
48             }
49             catch (System.Net.Mail.SmtpException ex)
50             {
51 
52             }
53         }