using System;

using System.Net;

using System.Net.Mail;

using System.Text;

public class Program

{

    public static void Main()

    {

        sendMail mail = new sendMail();

        mail.account = "xxx@gmail.com";

        mail.password = "xxx";

        mail.smtpServer = "smtp.gmail.com";

        mail.smtpPort = 587 ;

        mail.enableSSL = true;

        mail.code = Encoding.UTF8;

        mail.fromAddress = mail.account;

        mail.fromName = "測試名字";

        mail.toAddress = mail.account;

        mail.subject = "測試主旨";

        mail.content = "測試內容";

        try

        {

            mail.send();

            Console.WriteLine(mail.resultMessage);

        }

        catch(Exception)

        {

            Console.WriteLine("發生錯誤!!");

        }

    }

}

​

public class sendMail

{

    public string smtpServer { get; set; }

    public int smtpPort { get; set; }

    public string account { get; set; }

    public string password { get; set; }

    public bool enableSSL { get; set; }

    public string fromAddress { get; set; }

    public string fromName { get; set; }

    public Encoding code { get; set; }

    public string toAddress { get; set; }

    public string subject { get; set; }

    public string content { get; set; }

    public string resultMessage { get; set; }

    MailMessage message;

    public SmtpClient smtp;

    public bool send()

    {

        MailAddress from = new MailAddress(

            fromAddress, fromName, code);

        MailAddress to = new MailAddress(toAddress);

        message = new MailMessage(from, to);

        message.Subject = subject;

        message.SubjectEncoding = code;

        message.Body = content;

        message.BodyEncoding = code;

        smtp = new SmtpClient(smtpServer, smtpPort);

        smtp.Credentials = new NetworkCredential(account, password);

        smtp.EnableSsl = enableSSL;

​

        resultMessage = "信件送出中";

        smtp.Send(message);

        resultMessage = "信件已送出";

        smtp.Dispose();

        message.Dispose();

        return true;

    }

}