(Delphi ActiveX) IMAP Download All Email One at a Time

Demonstrates how to download every email in an IMAP mailbox one at a time as a MIME string or as an email object. (The MIME contains the full contents of the email including all attachments.)

Note: This example requires Chilkat v11.0.0 or greater.

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
success: Integer;
imap: TChilkatImap;
bUid: Integer;
mimeStr: WideString;
i: Integer;
n: Integer;
email: TChilkatEmail;

begin
success := 0;

imap := TChilkatImap.Create(Self);

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

// Connect to an IMAP server.
// Use TLS
imap.Ssl := 1;
imap.Port := 993;
success := imap.Connect('imap.example.com');
if (success = 0) then
  begin
    Memo1.Lines.Add(imap.LastErrorText);
    Exit;
  end;

// Login
success := imap.Login('myLogin','myPassword');
if (success = 0) then
  begin
    Memo1.Lines.Add(imap.LastErrorText);
    Exit;
  end;

// Select an IMAP mailbox
success := imap.SelectMailbox('Inbox');
if (success = 0) then
  begin
    Memo1.Lines.Add(imap.LastErrorText);
    Exit;
  end;

// Once the mailbox is selected, the NumMessages property
// will contain the number of messages in the mailbox.
// You may loop from 1 to NumMessages to
// fetch each message by sequence number.

bUid := 0;

n := imap.NumMessages;
for i := 1 to n do
  begin

    // Download the email by sequence number.
    mimeStr := imap.FetchSingleAsMime(i,bUid);

    // ... your application may process each MIME string...
  end;

// An alternative is to download each email in the form of an
// email object, like this:
email := TChilkatEmail.Create(Self);
for i := 1 to n do
  begin

    // Download the email by sequence number.
    success := imap.FetchEmail(0,i,bUid,email.ControlInterface);

    // ... your application may process the email object...

  end;

// Disconnect from the IMAP server.
success := imap.Disconnect();
end;