Delphi DLL

Render an Email to MIME Bytes in a BinData

Demonstrates the Chilkat MailMan.RenderToMimeBd method, which renders an Email object as MIME bytes and appends the result to a BinData, without sending the email. This example renders a message into a BinData and prints the byte count.

Background: This is the binary version of RenderToMime. A BinData holds raw bytes, which is the right container when you want the rendered MIME as binary — to write it directly to a file or socket, hash it, or hand it to another API expecting a byte buffer — rather than as text.

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var
success: Boolean;
mailman: HCkMailMan;
email: HCkEmail;
bdMime: HCkBinData;

begin
success := False;

//  Demonstrates the MailMan.RenderToMimeBd method, which renders an Email object as MIME
//  bytes and appends the result to a BinData (without sending the email).

mailman := CkMailMan_Create();

//  Build the email to render.
email := CkEmail_Create();
CkEmail_putSubject(email,'Rendered email');
CkEmail_putFrom(email,'alice@example.com');
CkEmail_AddTo(email,'Bob','bob@example.com');
CkEmail_putBody(email,'This message is rendered to MIME bytes in a BinData.');

//  Render the MIME into a BinData.
bdMime := CkBinData_Create();

success := CkMailMan_RenderToMimeBd(mailman,email,bdMime);
if (success = False) then
  begin
    Memo1.Lines.Add(CkMailMan__lastErrorText(mailman));
    Exit;
  end;

Memo1.Lines.Add('Rendered MIME size (bytes) = ' + IntToStr(CkBinData_getNumBytes(bdMime)));

CkMailMan_Dispose(mailman);
CkEmail_Dispose(email);
CkBinData_Dispose(bdMime);