(Delphi ActiveX) POP3 Fetch a Single Email by UIDL

Demonstrates how to fetch a single email by UIDL.

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

uses
    Winapi.Windows, Winapi.Messages, System.SysUtils, System.Variants, System.Classes, Vcl.Graphics,
    Vcl.Controls, Vcl.Forms, Vcl.Dialogs, Vcl.StdCtrls, Chilkat_TLB;

...

procedure TForm1.Button1Click(Sender: TObject);
var
mailman: TChilkatMailMan;
sa: ICkStringArray;
uidl: WideString;
i: Integer;
numUidls: Integer;
email: IChilkatEmail;

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

mailman := TChilkatMailMan.Create(Self);

mailman.MailHost := 'pop.example.com';

mailman.PopUsername := 'myLogin';
mailman.PopPassword := 'myPassword';

mailman.MailPort := 995;
mailman.PopSsl := 1;

sa := mailman.GetUidls();
if (mailman.LastMethodSuccess = 0) then
  begin
    Memo1.Lines.Add(mailman.LastErrorText);
    Exit;
  end;

// Download each email by UIDL.

i := 0;
numUidls := sa.Count;
while i < numUidls do
  begin
    uidl := sa.GetString(i);
    Memo1.Lines.Add(uidl);

    email := mailman.FetchEmail(uidl);
    if (mailman.LastMethodSuccess = 0) then
      begin
        Memo1.Lines.Add(mailman.LastErrorText);
        Exit;
      end;
    Memo1.Lines.Add(email.Subject);
    Memo1.Lines.Add('');

    i := i + 1;
  end;
end;