csharp C＃中的电子邮件发送

Posted 2021-05-12

 protected void sendHtmlEmail(string from_Email, string to_Email, string cc_Email, string body, string from_Name, string Subject)
        {

            //create an instance of new mail message
            MailMessage mail = new MailMessage();

            //set the HTML format to true
            mail.IsBodyHtml = true;

            //create Alrternative HTML view
            AlternateView htmlView = AlternateView.CreateAlternateViewFromString(body, null, "text/html");

            //Add view to the Email Message
            mail.AlternateViews.Add(htmlView);

            //set the "from email" address and specify a friendly 'from' name
            mail.From = new MailAddress(from_Email, from_Name);

            //set the "to" email address
            mail.To.Add(to_Email);

            //set the "to" email address
            if (!string.IsNullOrEmpty(cc_Email.Trim()))
                mail.CC.Add(to_Email);

            //set the Email subject
            mail.Subject = Subject;

            //set the SMTP info
            string SMTP_HostName = "smtp3.hp.com";
            int SMTP_Server_Port = 25;
            SmtpClient smtp = new SmtpClient(SMTP_HostName, SMTP_Server_Port);

            //send the email
            smtp.Send(mail);
        }
        
        
//Type 2

public static string SendMail(String Sender,String Recipient,String CC,String Subject,String Content)
		{
			StreamReader sr = null;
			try
			{
				string mailServer = ConfigurationManager.AppSettings["smptAddress"].ToString();
				System.Net.Mail.MailMessage objMail = new System.Net.Mail.MailMessage();
				System.Net.Mail.SmtpClient mailClient = new System.Net.Mail.SmtpClient();

                if (RequriedMail == true)
                {
                    if (mailServer.Contains("gmail"))
                    {
                        #region Local Chimera Code
                        System.Net.Mail.MailMessage result = new System.Net.Mail.MailMessage(Sender, Recipient);
                        objMail.From = new MailAddress(Sender);
                        objMail.To.Add(Recipient);
                        objMail.IsBodyHtml = true;
                        objMail.Subject = Subject;
                        objMail.Priority = System.Net.Mail.MailPriority.Normal;
                        if (CC != "")
                        {
                            objMail.CC.Add(CC);
                        }
                        mailClient.UseDefaultCredentials = false;
                        System.Net.NetworkCredential basicAuthenticationInfo = new System.Net.NetworkCredential(ConfigurationManager.AppSettings["smptUid"].ToString(), ConfigurationManager.AppSettings["smptPwd"].ToString());
                        mailClient.Credentials = basicAuthenticationInfo;
                        mailClient.Host = mailServer;
                        mailClient.Port = Convert.ToInt32(ConfigurationManager.AppSettings["smptPort"]);
                        mailClient.EnableSsl = Convert.ToBoolean(ConfigurationManager.AppSettings["smptSSl"]);
                        objMail.Body = Content;
                        mailClient.Send(objMail);
                        return true.ToString();
                        #endregion
                    }
                    else
                    {
                        #region HP Mail Code
                        objMail.From = new MailAddress(ConfigurationManager.AppSettings["smptUid"].ToString(), ConfigurationManager.AppSettings["smtpDisplayName"].ToString());
                        MailAddress toAddress = new MailAddress(Recipient);
                        objMail.To.Add(toAddress);
                        mailClient.UseDefaultCredentials = false;
                        mailClient.Host = mailServer;
                        mailClient.Port = Convert.ToInt32(ConfigurationManager.AppSettings["smptPort"]);
                        mailClient.EnableSsl = Convert.ToBoolean(ConfigurationManager.AppSettings["smptSSl"]);
                        objMail.Priority = System.Net.Mail.MailPriority.Normal;
                        objMail.Subject = Subject;
                        objMail.Body = Content;
                        objMail.IsBodyHtml = true;
                        if (CC != "")
                        {
                            objMail.CC.Add(CC);
                        }
                        mailClient.Send(objMail);
                        return true.ToString();
                        #endregion
                    }
                }
                else
                {
                    return true.ToString();
                }

			}
			catch (Exception ex)
			{
				log.Error(ex.InnerException.ToString());
				return false.ToString();
			}
			finally
			{
				if (sr != null)
				{
					sr.Close();
				}
			}


		}
		
		  <add key="smptAddress" value="smtp.ggogle.com" />
    <add key="smptUid" value="[e-mail]" />
    <add key="smtpDisplayName" value="TCI Notification" />
    <add key="smptPwd" value="chimera123" />
    <add key="smptPort" value="25" />
    <add key="smptSSl" value="true" />
    <add key="mailsending" value="true"/>
  </appSettings>