(Delphi DLL) Read POP3 Mail Headers

Reads the header for each email in a POP3 mailbox and display the FROM and SUBJECT header fields.

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, EmailBundle, Email;

...

procedure TForm1.Button1Click(Sender: TObject);
var
mailman: HCkMailMan;
bundle: HCkEmailBundle;
i: Integer;
email: HCkEmail;

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

// The mailman object is used for receiving (POP3) 
// and sending (SMTP) email.
mailman := CkMailMan_Create();

// Set the POP3 server's hostname
CkMailMan_putMailHost(mailman,'pop.someMailServer.com');

// Set the POP3 login/password.
CkMailMan_putPopUsername(mailman,'****');
CkMailMan_putPopPassword(mailman,'****');

// Read mail headers and one line of the body.
bundle := CkMailMan_GetAllHeaders(mailman,1);
if (CkMailMan_getLastMethodSuccess(mailman) = False) then
  begin
    Memo1.Lines.Add(CkMailMan__lastErrorText(mailman));
    Exit;
  end;

i := 0;

while i < CkEmailBundle_getMessageCount(bundle) do
  begin
    email := CkEmailBundle_GetEmail(bundle,i);

    // Display the From email address and the subject.
    Memo1.Lines.Add('From: ' + CkEmail__from(email));
    Memo1.Lines.Add('Subject: ' + CkEmail__subject(email));
    CkEmail_Dispose(email);

    i := i + 1;
  end;

CkEmailBundle_Dispose(bundle);

CkMailMan_Dispose(mailman);

end;