Pascal (Lazarus/Delphi)

Send Email with Multiple Reply-To Addresses

See more SMTP Examples

Send email with multiple repy-to addresses.

Note: Some mail servers will remove the extra email addresses from the Reply-To header. Even if you provide multiple reply-to addresses, the email may arrive with only the 1st.

Pascal (Lazarus/Delphi)

program ChilkatDemo;

// Demonstrates using the Chilkat Pascal wrapper via the C bridge DLL.
// Builds as a console application under Lazarus (FPC) or Delphi.

{$IFDEF FPC}
  {$MODE DELPHI}
{$ENDIF}
{$APPTYPE CONSOLE}

uses
  {$IFDEF UNIX}
  cthreads,
  {$ENDIF}
  SysUtils,
  CkDllLoader,
  Chilkat.MailMan,
  Chilkat.StringBuilder,
  Chilkat.Email;

// ---------------------------------------------------------------------------

procedure RunDemo;
var
  success: Boolean;
  mailman: TMailMan;
  email: TEmail;
  sbMime: TStringBuilder;
  replyToAddrs: string;

begin
  success := False;

  //  This example requires the Chilkat API to have been previously unlocked.
  //  See Global Unlock Sample for sample code.

  mailman := TMailMan.Create;

  mailman.SmtpHost := 'smtp.my_mail_server.com';
  mailman.SmtpUsername := 'myUsername';
  mailman.SmtpPassword := 'myPassword';
  mailman.SmtpPort := 465;
  mailman.SmtpSsl := True;

  //  Create a new email object
  email := TEmail.Create;

  email.Subject := 'This is a test';
  email.Body := 'This is a test';
  email.From := 'Joe <joe@example.com>';
  success := email.AddTo('Mary','mary@example2.com');

  //  Specify a single reply-to address, which will get replace with a list of addresses..
  email.ReplyTo := 'placeholder@example.com';

  //  Get the email as MIME.
  sbMime := TStringBuilder.Create;
  mailman.RenderToMimeSb(email,sbMime);

  //  Update the Reply-To MIME header with a list of email addresses.
  replyToAddrs := 'joe@example.com, mike@example.com';
  sbMime.ReplaceAllBetween('Reply-To: ',#13#10,replyToAddrs,False);

  //  Examine the MIME to be sent:
  WriteLn(sbMime.GetAsString());

  //  Here's the MIME:

  //  MIME-Version: 1.0
  //  Date: Tue, 03 Sep 2024 08:18:12 -0500
  //  Message-ID: <D892B0E563A7A13B1F499530DE21529714EA479A@SLICE>
  //  Content-Type: text/plain; charset=us-ascii; format=flowed
  //  Content-Transfer-Encoding: 7bit
  //  X-Priority: 3 (Normal)
  //  Subject: This is a test
  //  From: Joe <joe@example.com>
  //  To: Mary <mary@example2.com>
  //  Reply-To: joe@example.com, mike@example.com
  //  
  //  This is a test

  //  ---------
  //  Send the MIME...
  success := mailman.SendMime('joe@example.com','mary@example2.com',sbMime.GetAsString());
  if (success = False) then
    begin
      WriteLn(mailman.LastErrorText);
      Exit;
    end;

  success := mailman.CloseSmtpConnection();
  if (success = False) then
    begin
      WriteLn('Connection to SMTP server not closed cleanly.');
    end;

  WriteLn('Mail Sent!');


  mailman.Free;
  email.Free;
  sbMime.Free;

end;

// ---------------------------------------------------------------------------

begin

  try
    RunDemo;
  except
    on E: Exception do
      WriteLn('Unhandled exception: ', E.ClassName, ': ', E.Message);
  end;

  WriteLn;
  {$IFDEF MSWINDOWS}
  WriteLn('Press Enter to exit...');
  ReadLn;
  {$ENDIF}
end.