Delete Email Individually (One at a time) from an IMAP Mailbox

Download Chilkat Email ActiveX

Download 32-bit Chilkat IMAP ActiveX (.msi)

Download All 32-bit Chilkat ActiveX Components (.zip)

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Downloads email from an IMAP mailbox and deletes emails individually (one by one).

uses
    Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
    Dialogs, StdCtrls,
    CHILKATMAILLib2_TLB,
    CHILKATIMAPLib_TLB,
    OleCtrls;

...

procedure TForm1.Button1Click(Sender: TObject);
var
imap: TChilkatImap;
success: Integer;
messageSet: CHILKATIMAPLib_TLB.IMessageSet;
fetchUids: Integer;
bundle: CHILKATIMAPLib_TLB.IChilkatEmailBundle2;
i: Integer;
email: CHILKATIMAPLib_TLB.IChilkatEmail2;

begin
imap := TChilkatImap.Create(Self);

//  Anything unlocks the component and begins a fully-functional 30-day trial.
success := imap.UnlockComponent('Anything for 30-day trial');
if (success <> 1) then
  begin
    ShowMessage(imap.LastErrorText);

  end;

//  Connect to an IMAP server.
success := imap.Connect('mail.chilkatsoft.com');
if (success <> 1) then
  begin
    ShowMessage(imap.LastErrorText);

  end;

//  Login
success := imap.Login('myLogin','myPassword');
if (success <> 1) then
  begin
    ShowMessage(imap.LastErrorText);

  end;

//  Select an IMAP mailbox
success := imap.SelectMailbox('Inbox');
if (success <> 1) then
  begin
    ShowMessage(imap.LastErrorText);

  end;

//  We can choose to fetch UIDs or sequence numbers.
fetchUids := 1;
//  Get the message IDs of all the emails in the mailbox
messageSet := imap.Search('ALL',fetchUids);
if (messageSet = nil ) then
  begin
    ShowMessage(imap.LastErrorText);

  end;

//  Fetch the emails into a bundle object:

bundle := imap.FetchBundle(messageSet);
if (bundle = nil ) then
  begin

    ShowMessage(imap.LastErrorText);

  end;

//  To mark a complete set of emails for deletion, call SetFlags:
success := imap.SetFlags(messageSet,'Deleted',1);
if (success <> 1) then
  begin
    ShowMessage(imap.LastErrorText);

  end;

//  Messages can also be marked for deletion individually:
//  Loop over the bundle and mark each message for deletion.

for i := 0 to bundle.MessageCount - 1 do
  begin

    email := bundle.GetEmail(i);
    Memo1.Lines.Add(email.From);
    Memo1.Lines.Add(email.Subject);

    //  To delete this email, set the "Deleted" flag to 1.
    //  The email is not actually deleted until Expunge or
    //  ExpungeAndClose is called.
    success := imap.SetMailFlag(email,'Deleted',1);
    if (success <> 1) then
      begin
        ShowMessage(imap.LastErrorText);

      end;

    Memo1.Lines.Add('--');

  end;

success := imap.ExpungeAndClose();
if (success <> 1) then
  begin
    ShowMessage(imap.LastErrorText);

  end;

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


end;