[C#/COMMON] SmtpClient 클래스 : DeliveryMethod/PickupDirectoryLocation 속성을 사용해 EML 파일 저장하기 (기능 개선)
C#/Common 2021. 8. 6. 21:06728x90
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TestProject.zip0.00MBtest.eml0.00MB
▶ test.eml (생성 파일)
X-Sender: sender@domain.com
X-Receiver: receiver@domain.com
MIME-Version: 1.0
From: sender@domain.com
To: receiver@domain.com
Date: 6 Aug 2021 20:41:09 +0900
Subject: =?utf-8?B?7YWM7Iqk7Yq4IOuplOydvA==?=
Content-Type: text/plain; charset=utf-8
Content-Transfer-Encoding: base64
7YWM7Iqk7Yq4IOuplOydvCDsnoXri4jri6Qu
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▶ MailMessageExtension.cs
using System;
using System.IO;
using System.Linq;
using System.Net.Mail;
using System.Reflection;
namespace TestProject
{
/// <summary>
/// 메일 메시지 확장
/// </summary>
public static class MailMessageExtension
{
//////////////////////////////////////////////////////////////////////////////////////////////////// Method
////////////////////////////////////////////////////////////////////////////////////////// Static
//////////////////////////////////////////////////////////////////////////////// Public
#region 저장하기 - Save(mailMessage, stream)
/// <summary>
/// 저장하기
/// </summary>
/// <param name="mailMessage">메일 메시지</param>
/// <param name="stream">스트림</param>
public static void Save(this MailMessage mailMessage, Stream stream)
{
using(SmtpClient smtpClient = new SmtpClient())
{
string temporaryDirectoryPath = Path.Combine
(
Path.GetTempPath(),
Assembly.GetExecutingAssembly().GetName().Name,
"temp",
Guid.NewGuid().ToString()
);
if(!Directory.Exists(temporaryDirectoryPath))
{
Directory.CreateDirectory(temporaryDirectoryPath);
}
smtpClient.UseDefaultCredentials = true;
smtpClient.DeliveryMethod = SmtpDeliveryMethod.SpecifiedPickupDirectory;
smtpClient.PickupDirectoryLocation = temporaryDirectoryPath;
smtpClient.Send(mailMessage);
string filePath = Directory.GetFiles(temporaryDirectoryPath).Single();
using(FileStream fileStream = new FileStream(filePath, FileMode.Open))
{
fileStream.CopyTo(stream);
}
if(Directory.Exists(temporaryDirectoryPath))
{
Directory.Delete(temporaryDirectoryPath, true);
}
}
}
#endregion
#region 저장하기 - Save(mailMessage, filePath)
/// <summary>
/// 저장하기
/// </summary>
/// <param name="mailMessage">메일 메시지</param>
/// <param name="filePath">파일 경로</param>
public static void Save(this MailMessage mailMessage, string filePath)
{
using(FileStream fileStream = new FileStream(filePath, FileMode.Create))
{
mailMessage.Save(fileStream);
}
}
#endregion
}
}
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▶ Program.cs
using System.Net.Mail;
namespace TestProject
{
/// <summary>
/// 프로그램
/// </summary>
class Program
{
//////////////////////////////////////////////////////////////////////////////////////////////////// Method
////////////////////////////////////////////////////////////////////////////////////////// Static
//////////////////////////////////////////////////////////////////////////////// Private
#region 프로그램 시작하기 - Main()
/// <summary>
/// 프로그램 시작하기
/// </summary>
private static void Main()
{
MailMessage mailMessage = new MailMessage();
mailMessage.Subject = "테스트 메일";
mailMessage.From = new MailAddress("sender@domain.com");
mailMessage.Body = "테스트 메일 입니다.";
mailMessage.To.Add(new MailAddress("receiver@domain.com"));
mailMessage.Save(@"d:\test.eml");
}
#endregion
}
}728x90
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