[C#] Mail 보내기 - Gmail

[C#] Mail 보내기 - Gmail

 

 

public class CSmtp
{
    /// <summary>
    /// multiple recipients 일때 "," 로 여러개 사용 가능 ("xxx.yyy@yyy.com,xxx.yyy@yyy.com,xxx.yyy@yyy.com")
    /// </summary>
    /// <param name="toAddress"></param>
    /// <param name="filePaths"></param>
    public static void SendEmail(string toAddress, List<string> filePaths, string emailSubject)
    {
        SmtpClient smtp = null;
        MailMessage message = null;
        Attachment attachment = null;
 
        string fromAddress = "@gmail.com";
        string fromPassword = "";
 
        try
        {
            smtp = new SmtpClient("smtp.gmail.com", 587)
            {
                UseDefaultCredentials = false,
                EnableSsl = true,
                DeliveryMethod = SmtpDeliveryMethod.Network,
                Credentials = new NetworkCredential(fromAddress, fromPassword),
                Timeout = 20000,
            };
 
            message = new MailMessage(fromAddress, toAddress)
            {
                Subject = emailSubject,
                Body = emailSubject,
            };
 
            for (int i = 0; i < filePaths.Count; i++)
            {
                var filePath = filePaths[i];
                if (string.IsNullOrEmpty(filePath) == false)
                {
                    attachment = new Attachment(filePath);
                    message.Attachments.Add(attachment);
                }
            }
            
            smtp.Send(message);
        }
        catch (Exception ex)
        {
            Debug.WriteLine(ex.Message);
            ErrorLog.WriteLine(ex.Message);
        }
        finally
        {
            if (smtp != null)
            {
                smtp.Dispose();
            }
            if (message != null)
            {
                message.Dispose();
            }
        }
 
    }
}