从 Lotus Notes 发送带有附件和 HTML 正文的电子邮件

Question

好的，我正在尝试通过 lotus notes 发送电子邮件表单，它有一个附件，正文需要在 HTML。

我有一些代码，从我读过的所有代码来看，这些代码应该允许我这样做，但事实并非如此。如果没有 HTML 正文，附件将发送，当我使用 HTML 正文时，电子邮件仍会发送，但附件会消失

   try
            {
                Session.Initialize("1234567890");
                Session.ConvertMime = false;
                MailServer = Session.GetEnvironmentString("MailServer", true);
                MailFile = Session.GetEnvironmentString("Mailfile", true);
                MailDb = Session.GetDatabase(MailServer.ToString(), MailFile.ToString(), false);
                MailDoc = MailDb.CreateDocument();
                MailDoc.ReplaceItemValue("Form", "Memo");
                MailDoc.ReplaceItemValue("SendTo", "XXXXXX");
                MailDoc.ReplaceItemValue("subject", "Test test");
                MailDoc.AppendItemValue("Principal", "HIHIHi");
                object obAttachment;
                Mime = MailDoc.CreateMIMEEntity("Body");
                HtmlBody = Session.CreateStream();
                HtmlBody.Open("C:\Users\Documents\310143-001_1125_20181016.pdf", "");
                Mime.SetContentFromBytes(HtmlBody, "Application/pdf", Domino.MIME_ENCODING.ENC_IDENTITY_BINARY);
                HtmlBody.Close();
                HtmlBody.Truncate();
        HtmlBody = Session.CreateStream();
                HtmlBody.WriteText(mailBoby, EOL_TYPE.EOL_CR);
                Mime.SetContentFromText(HtmlBody, "text/html;charset=UTF-8", Domino.MIME_ENCODING.ENC_IDENTITY_BINARY);
                Object obj = MailDoc.GetItemValue("SendTo");
                MailDoc.SaveMessageOnSend = true;
                MailDoc.Send(false, ref obj);
            }
            catch (Exception ex)
            {
                MessageBox.Show(ex.ToString());
            }
            finally
            {
                rt = null;
                Session = null;
                MailDoc = null;
                MailDb = null;

            }

Answer 1

您在 Mime 对象上调用了 SetContentFromBytes 和 SetContentFromText 方法两次。在同一个 Mime 对象上。第二个调用覆盖第一个。

您需要使用 CreateChildEntity method 创建一棵 MIME 实体树，将父实体的内容类型设置为 'multipart'，并将其中一个子实体设置为您的文本，将其中一个子实体设置为附件中的实体。

Answer 2

您必须为 HTML 和文件附件创建多部分 MIME 消息。

Session.Initialize("1234567890");
Session.ConvertMime = false;
MailServer = Session.GetEnvironmentString("MailServer", true);
MailFile = Session.GetEnvironmentString("Mailfile", true);
MailDb = Session.GetDatabase(MailServer.ToString(), MailFile.ToString(), false);
MailDoc = MailDb.CreateDocument();
MailDoc.ReplaceItemValue("Form", "Memo");
MailDoc.ReplaceItemValue("SendTo", "XXXXXX");
MailDoc.ReplaceItemValue("subject", "Test test");
MailDoc.AppendItemValue("Principal", "HIHIHi");
object obAttachment;
AttachmentPath = "C:\Users\Documents\";
AttachmentFile = "310143-001_1125_20181016.pdf";
mailBody = "<html><head></head><body>Hello There.</body></html>";

Mime = MailDoc.CreateMIMEEntity("Body");

MimeHeader = Mime.CreateHeader("MIME-Version");
MimeHeader.SetHeaderVal("1.0");

MimeHeader= Mime.CreateHeader("Content-Type");
MimeHeader.SetHeaderValAndParams( "multipart/alternative;boundary=\"=NextPart_=\"");

MimeChild = Mime.CreateChildEntity();
HtmlBody = Session.CreateStream();

HtmlBody.WriteText(mailBody, Stream.EOL_CR);
MimeChild.SetContentFromText(HtmlBody, "text/html;charset=\"iso-8859-1\"", Domino.MIME_ENCODING.ENC_NONE);

MimeChild = Mime.CreateChildEntity();
HtmlBody = Session.CreateStream();
HtmlBody.Open(AttachmentPath + AttachmentFile, "");   

MimeHeader = MimeChild.CreateHeader("Content-Disposition");
MimeHeader.SetHeaderVal("attachment; filename=\""+AttachmentFile+"\"");

MimeChild.SetContentFromBytes(HtmlBody, "application/octet-stream; name=\""+AttachmentFile+"\"", Domino.MIME_ENCODING.ENC_IDENTITY_BINARY); 

MailDoc.CloseMIMEEntities(true);

Session.ConvertMime = true;

Object obj = MailDoc.GetItemValue("SendTo");
MailDoc.SaveMessageOnSend = true;
MailDoc.Send(false, ref obj);

这应该适用于大多数文件类型，但您可以为 PDF 文件的 Content-Disposition 指定 application/pdf。

从 Lotus Notes 发送带有附件和 HTML 正文的电子邮件

Sending Email from Lotus Notes with Attachment & HTML body

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