測試代碼： 不忘初心，方得始終；初心易得，始終難守。 ...
/// <summary>
/// 一人一附件發送郵件
/// 2017-05-17 塗聚文 GeovinDu
/// </summary>
/// <param name="To">接收郵件人</param>
/// <param name="Subject">郵件標題</param>
/// <param name="Msg">郵件內容</param>
/// <param name="bodyHtml">是否網頁</param>
/// <param name="AttachmentStream"></param>
/// <param name="AttachmentFileName">附件</param>
/// <returns></returns>
public static bool SendEmaildu(string To, string Subject, string Msg, bool bodyHtml, MemoryStream AttachmentStream,string AttachmentFileName)
{
bool SendOk = false;
try
{
System.Net.Mail.MailMessage newMsg = new System.Net.Mail.MailMessage(System.Configuration.ConfigurationManager.AppSettings["mailCfg"], To, Subject, Msg);
newMsg.BodyEncoding = System.Text.Encoding.UTF8;
newMsg.HeadersEncoding = System.Text.Encoding.UTF8;
newMsg.SubjectEncoding = System.Text.Encoding.UTF8;
System.Net.Mail.SmtpClient smtpClient = new System.Net.Mail.SmtpClient();
//smtpClient.Credentials = new NetworkCredential("[email protected]","888888");
//smtpClient.Port = 25;
//smtpClient.EnableSsl = false;
if (AttachmentStream != null && AttachmentFileName != null)
{
// ADD AN ATTACHMENT.
//String sFile = @"C:\Source\LNS_IS.TXT";
//MailAttachment oAttch = new MailAttachment(sFile, MailEncoding.Base64);
//string filePath = @"C:\TestEmail\SKYPE11月黑咭生日會員.xls";
//MemoryStream memStream = new MemoryStream();
//using (FileStream fileStream = File.OpenRead(filePath))
//{
// memStream.SetLength(fileStream.Length);
// fileStream.Read(memStream.GetBuffer(), 0, (int)fileStream.Length);
//}
newMsg.Attachments.Add(new Attachment(AttachmentStream, AttachmentFileName)); //MediaTypeNames.Image.Jpeg)
//System.Net.Mail.Attachment attachment = new System.Net.Mail.Attachment(AttachmentStream, AttachmentFileName);
//System.Net.Mime.ContentDisposition disposition = attachment.ContentDisposition;
//disposition.FileName = AttachmentFileName;
//disposition.DispositionType = System.Net.Mime.DispositionTypeNames.Attachment;
//newMsg.Attachments.Add(attachment);
}
newMsg.IsBodyHtml = bodyHtml;
smtpClient.Send(newMsg);
SendOk = true;
//return SENT_OK;
}
catch (Exception ex)
{
ex.Message.ToString();
AttachmentStream.Close();
SendOk = false;
//"Error: " + ex.Message + "<br/><br/>Inner Exception: "+ ex.InnerException;
}
AttachmentStream.Close();
return SendOk;
}
/// <summary>
/// 一人一附件發送郵件
/// 2017-05-17 塗聚文 GeovinDu
/// </summary>
/// <param name="To">接收郵件人</param>
/// <param name="Subject">郵件標題</param>
/// <param name="Msg">郵件內容</param>
/// <param name="bodyHtml">是否網頁</param>
/// <param name="AttachmentFileName">附件</param>
/// <returns></returns>
public static bool SendEmaildu(string To, string Subject, string Msg, bool bodyHtml, string AttachmentFileName)
{
MemoryStream AttachmentStream = new MemoryStream();
bool SendOk = false;
try
{
System.Net.Mail.MailMessage newMsg = new System.Net.Mail.MailMessage(System.Configuration.ConfigurationManager.AppSettings["mailCfg"], To, Subject, Msg);
newMsg.BodyEncoding = System.Text.Encoding.UTF8;
newMsg.HeadersEncoding = System.Text.Encoding.UTF8;
newMsg.SubjectEncoding = System.Text.Encoding.UTF8;
System.Net.Mail.SmtpClient smtpClient = new System.Net.Mail.SmtpClient();
//smtpClient.Credentials = new NetworkCredential("[email protected]","888888");
//smtpClient.Port = 25;
//smtpClient.EnableSsl = false;
if (AttachmentStream != null && AttachmentFileName != null)
{
// ADD AN ATTACHMENT.
//String sFile = @"C:\Source\LNS_IS.TXT";
//MailAttachment oAttch = new MailAttachment(sFile, MailEncoding.Base64);
//string filePath = @"C:\TestEmail\SKYPE11月黑咭生日會員.xls";
//MemoryStream memStream = new MemoryStream();
//using (FileStream fileStream = File.OpenRead(filePath))
//{
// memStream.SetLength(fileStream.Length);
// fileStream.Read(memStream.GetBuffer(), 0, (int)fileStream.Length);
//}
newMsg.Attachments.Add(new Attachment(AttachmentStream, AttachmentFileName)); //MediaTypeNames.Image.Jpeg)
//System.Net.Mail.Attachment attachment = new System.Net.Mail.Attachment(AttachmentStream, AttachmentFileName);
//System.Net.Mime.ContentDisposition disposition = attachment.ContentDisposition;
//disposition.FileName = AttachmentFileName;
//disposition.DispositionType = System.Net.Mime.DispositionTypeNames.Attachment;
//newMsg.Attachments.Add(attachment);
}
newMsg.IsBodyHtml = bodyHtml;
smtpClient.Send(newMsg);
SendOk = true;
//return SENT_OK;
}
catch (Exception ex)
{
ex.Message.ToString();
AttachmentStream.Close();
SendOk = false;
//"Error: " + ex.Message + "<br/><br/>Inner Exception: "+ ex.InnerException;
}
AttachmentStream.Close();
return SendOk;
}
/// <summary>
/// 一人多附件發送郵件
/// 2019-06-18 塗聚文 GeovinDu
/// </summary>
/// <param name="To">接收郵件人</param>
/// <param name="Subject">郵件標題</param>
/// <param name="Msg">郵件內容</param>
/// <param name="bodyHtml">是否網頁</param>
/// <param name="AttachmentFiles">多附件</param>
/// <returns></returns>
public static bool SendEmailduFiles(string To, string Subject, string Msg, bool bodyHtml, List<string> AttachmentFiles)
{
MemoryStream AttachmentStream = new MemoryStream();
bool SendOk = false;
try
{
System.Net.Mail.MailMessage newMsg = new System.Net.Mail.MailMessage(System.Configuration.ConfigurationManager.AppSettings["mailCfg"], To, Subject, Msg);
newMsg.BodyEncoding = System.Text.Encoding.UTF8;
newMsg.HeadersEncoding = System.Text.Encoding.UTF8;
newMsg.SubjectEncoding = System.Text.Encoding.UTF8;
System.Net.Mail.SmtpClient smtpClient = new System.Net.Mail.SmtpClient();
//smtpClient.Credentials = new NetworkCredential("[email protected]","888888");
//smtpClient.Port = 25;
//smtpClient.EnableSsl = false;
if (AttachmentStream != null && AttachmentFiles != null)
{
foreach (string filename in AttachmentFiles)
{
newMsg.Attachments.Add(new Attachment(AttachmentStream, filename)); //MediaTypeNames.Image.Jpeg)
}
}
newMsg.IsBodyHtml = bodyHtml;
smtpClient.Send(newMsg);
SendOk = true;
}
catch (Exception ex)
{
ex.Message.ToString();
AttachmentStream.Close();
SendOk = false;
}
AttachmentStream.Close();
return SendOk;
}
/// <summary>
/// 多人多附件發送郵件
/// 不考慮統計每封郵件發送狀態（另外考慮完善代碼）
/// 2019-06-18 塗聚文 GeovinDu
/// </summary>
/// <param name="Tos">多人接收郵件人</param>
/// <param name="Subject">郵件標題</param>
/// <param name="Msg">郵件內容</param>
/// <param name="bodyHtml">是否網頁</param>
/// <param name="AttachmentFiles">多附件</param>
/// <returns></returns>
public static bool SendEmailsAndFiles(List<string> Tos, string Subject, string Msg, bool bodyHtml, List<string> AttachmentFiles)
{
MemoryStream AttachmentStream = new MemoryStream();
bool SendOk = false;
List<Attachment> all = new List<Attachment>();
try
{
if (AttachmentStream != null && AttachmentFiles != null)
{
foreach (string filename in AttachmentFiles)
{
all.Add(new Attachment(AttachmentStream, filename));
}
}
if (Tos.Count > 0)
{
foreach (string To in Tos)
{
System.Net.Mail.MailMessage newMsg = new System.Net.Mail.MailMessage(System.Configuration.ConfigurationManager.AppSettings["mailCfg"], To, Subject, Msg);
newMsg.BodyEncoding = System.Text.Encoding.UTF8;
newMsg.HeadersEncoding = System.Text.Encoding.UTF8;
newMsg.SubjectEncoding = System.Text.Encoding.UTF8;
System.Net.Mail.SmtpClient smtpClient = new System.Net.Mail.SmtpClient();
//smtpClient.Credentials = new NetworkCredential("[email protected]","888888");
//smtpClient.Port = 25;
//smtpClient.EnableSsl = false;
if (AttachmentStream != null && AttachmentFiles != null)
{
foreach (Attachment attname in all)
{
newMsg.Attachments.Add(attname); //MediaTypeNames.Image.Jpeg)
}
}
newMsg.IsBodyHtml = bodyHtml;
smtpClient.Send(newMsg);
SendOk = true;
}
}
}
catch (Exception ex)
{
ex.Message.ToString();
AttachmentStream.Close();
SendOk = false;
}
AttachmentStream.Close();
return SendOk;
}
測試代碼：
MemoryStream theMemStream = new MemoryStream();
string file = @"C:\TestEmail\SKYPE11月黑咭生日會員.xls"; //C:\TestEmail\Top1000WorldBanks2014.pdf
if (File.Exists(file))
{
//AttachmentStream = File.Open(file, FileMode.Open, FileAccess.Read);
byte[] filebyte = MirosoftSmptHelper.ReadFile(file);
theMemStream.Write(filebyte, 0, filebyte.Length);// = File.OpenRead(file);
theMemStream.Position = 0;
//theMemStream.Close();
// AttachmentStream = theMemStream;// BytesToStream(filebyte); //new MemoryStream(filebyte);// // BytesToStream(filebyte);// FileToStream(file);//
//AttachmentStream.CanTimeout =true;
//AttachmentStream.ReadTimeout = 1000;
//AttachmentStream.WriteTimeout = 1000;
//AttachmentStream = BytesToStream(filebyte);
//theMemStream.Close();
}
List<string> AttachmentFiles = new List<string>();
AttachmentFiles.Add("馬拉松獎牌刻字.xlsx");
AttachmentFiles.Add("進一步優化供給推動消費平穩增長2019.pdf");
AttachmentFiles.Add("逃犯條例草案.pdf");
AttachmentFiles.Add("複習捲14.doc");
List<string> Tos = new List<string>();
Tos.Add("[email protected]");
Tos.Add("[email protected]");
Tos.Add("[email protected]");
//1.一人一附件
//bool issend = MirosoftSmptHelper.SendEmaildu("[email protected]", "中文文件名.net 4.0,geovindu 塗聚文塗聚文工團、", "<p> 生命運浪漫滿屋geovindu江蘇黃河</p><br/><p>上官放個屁，下官一臺戲</p>", true,"馬拉松獎牌刻字.xlsx");
//2.一人多附件
//bool issend = MirosoftSmptHelper.SendEmailduFiles("[email protected]", "中文文件名.net 4.0,geovindu 塗聚文塗聚文工團、", "<p> 生命運浪漫滿屋geovindu江蘇黃河</p><br/><p>上官放個屁，下官一臺戲</p>", true, AttachmentFiles);
//3.多人多附件
bool issend = MirosoftSmptHelper.SendEmailsAndFiles(Tos, "中文文件名.net 4.0,geovindu 塗聚文塗聚文工團、", "<p> 生命運浪漫滿屋geovindu江蘇黃河</p><br/><p>上官放個屁，下官一臺戲</p>", true, AttachmentFiles);
theMemStream.Close();
if (issend)
{
MessageBox.Show("ok");
}
else
{
MessageBox.Show("no");
}
}
不忘初心，方得始終；初心易得，始終難守。
