(Delphi DLL) Forward an Email using CreateForward

Reads an email from an IMAP server, creates a forward version of the email using the CreateForward method, and sends the email to another recipient.

Chilkat for Delphi Downloads Chilkat non-ActiveX DLL for Delphi Chilkat ActiveX DLL for Delphi * The examples here use the non-ActiveX DLL.

uses
    Winapi.Windows, Winapi.Messages, System.SysUtils, System.Variants, System.Classes, Vcl.Graphics,
    Vcl.Controls, Vcl.Forms, Vcl.Dialogs, Vcl.StdCtrls, MailMan, StringBuilder, Imap, Email;

...

procedure TForm1.Button1Click(Sender: TObject);
var
imap: HCkImap;
success: Boolean;
numEmails: Integer;
email: HCkEmail;
eForward: HCkEmail;
sbHtmlBody: HCkStringBuilder;
sbPtBody: HCkStringBuilder;
mailman: HCkMailMan;

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

// Read the 1st (most recent) email in an Inbox.
imap := CkImap_Create();

// Connect to an IMAP server.
CkImap_putSsl(imap,True);
CkImap_putPort(imap,993);
success := CkImap_Connect(imap,'imap.someMailServer.com');
if (success <> True) then
  begin
    Memo1.Lines.Add(CkImap__lastErrorText(imap));
    Exit;
  end;

// Login
success := CkImap_Login(imap,'myLogin','myPassword');
if (success <> True) then
  begin
    Memo1.Lines.Add(CkImap__lastErrorText(imap));
    Exit;
  end;

// Select an IMAP mailbox
success := CkImap_SelectMailbox(imap,'Inbox');
if (success <> True) then
  begin
    Memo1.Lines.Add(CkImap__lastErrorText(imap));
    Exit;
  end;

numEmails := CkImap_getNumMessages(imap);

// Fetch the email at the last sequence number.
// (We are assuming the Inbox has at least 1 email)
email := CkImap_FetchSingle(imap,numEmails,False);
if (CkImap_getLastMethodSuccess(imap) = False) then
  begin
    Memo1.Lines.Add(CkImap__lastErrorText(imap));
    Exit;
  end;

// Disconnect from the IMAP server.
CkImap_Disconnect(imap);

Memo1.Lines.Add(CkEmail__subject(email));

eForward := CkEmail_CreateForward(email);

// The eForward email has no To or CC recipients yet.
// Add one or more..
CkEmail_AddTo(eForward,'Chilkat Support','support@chilkatsoft.com');

// We also need to specify the From name/address.
CkEmail_putFromAddress(eForward,'matt@someMailServer.com');
CkEmail_putFromName(eForward,'Matt');

// If we wish to add text at the start of the email body:
sbHtmlBody := CkStringBuilder_Create();
if (CkEmail_HasHtmlBody(eForward) = True) then
  begin
    CkStringBuilder_Append(sbHtmlBody,CkEmail__getHtmlBody(eForward));
    CkStringBuilder_Prepend(sbHtmlBody,'<p>Hello, this is an email I''m forwarding to you...</p>');
    CkEmail_SetHtmlBody(eForward,CkStringBuilder__getAsString(sbHtmlBody));
  end;
sbPtBody := CkStringBuilder_Create();
if (CkEmail_HasPlainTextBody(eForward) = True) then
  begin
    CkStringBuilder_Append(sbPtBody,CkEmail__getPlainTextBody(eForward));
    CkStringBuilder_Prepend(sbPtBody,'Hello, this is an email I''m forwarding to you...' + #13#10 + #13#10);
    CkEmail_SetTextBody(eForward,CkStringBuilder__getAsString(sbPtBody),'text/plain');
  end;

// We could save the .eml, then double-click on it to view in our mail program, such as Outlook or Thunderbird..
CkEmail_SaveEml(eForward,'qa_output/forward.eml');

// We could send (forward) the email..
mailman := CkMailMan_Create();

CkMailMan_putSmtpHost(mailman,'smtp.someMailServer.com');
CkMailMan_putSmtpUsername(mailman,'myLogin');
CkMailMan_putSmtpPassword(mailman,'myPassword');
CkMailMan_putSmtpPort(mailman,587);
CkMailMan_putStartTLS(mailman,True);

success := CkMailMan_SendEmail(mailman,eForward);
if (success <> True) then
  begin
    Memo1.Lines.Add(CkMailMan__lastErrorText(mailman));
    Exit;
  end;

success := CkMailMan_CloseSmtpConnection(mailman);
if (success <> True) then
  begin
    Memo1.Lines.Add('Connection to SMTP server not closed cleanly.');
  end;

Memo1.Lines.Add('Mail Sent!');

CkEmail_Dispose(eForward);
CkEmail_Dispose(email);

CkImap_Dispose(imap);
CkStringBuilder_Dispose(sbHtmlBody);
CkStringBuilder_Dispose(sbPtBody);
CkMailMan_Dispose(mailman);

end;