Delphi DLL

Read Gmail POP3 Mailbox

Reads the header for each email in a GMail POP3 mailbox and displays the FROM and SUBJECT header fields. In your GMail "Forwarding and POP" settings, be sure to select "When messages are accessed with POP keep Gmail's copy in the Inbox". Delphi 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
success: Boolean;
mailman: HCkMailMan;
bundle: HCkEmailBundle;
keepOnServer: Boolean;
headersOnly: Boolean;
numBodyLines: Integer;
i: Integer;
email: HCkEmail;

begin
success := False;

// This example requires 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 GMail account POP3 properties.
CkMailMan_putMailHost(mailman,'pop.gmail.com');
CkMailMan_putPopUsername(mailman,'myLogin');
CkMailMan_putPopPassword(mailman,'myPassword');
CkMailMan_putPopSsl(mailman,True);
CkMailMan_putMailPort(mailman,995);

// Read mail headers and one line of the body.
// To get the full emails, set headersOnly = False
bundle := CkEmailBundle_Create();
keepOnServer := True;
headersOnly := True;
numBodyLines := 1;
success := CkMailMan_FetchAll(mailman,keepOnServer,headersOnly,numBodyLines,bundle);
if (success = False) then
  begin
    Memo1.Lines.Add(CkMailMan__lastErrorText(mailman));
    Exit;
  end;

i := 0;
email := CkEmail_Create();
while i < CkEmailBundle_getMessageCount(bundle) do
  begin
    CkEmailBundle_EmailAt(bundle,i,email);

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

    i := i + 1;
  end;

CkMailMan_Dispose(mailman);
CkEmailBundle_Dispose(bundle);
CkEmail_Dispose(email);

end;