(Delphi DLL) IMAP Delete Old Email (before a specified date)

Demonstrates how to delete email older than a particular date.

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, Imap, Email, MessageSet;

...

procedure TForm1.Button1Click(Sender: TObject);
var
imap: HCkImap;
success: Boolean;
messageSet: HCkMessageSet;
fetchUids: Boolean;
i: Integer;
count: Integer;
email: HCkEmail;

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

imap := CkImap_Create();

// Connect to an IMAP server.
// Use TLS
CkImap_putSsl(imap,True);
CkImap_putPort(imap,993);
// Use your IMAP server domain.  This example 
success := CkImap_Connect(imap,'my-imap-server-domain.com');
if (success <> True) then
  begin
    Memo1.Lines.Add(CkImap__lastErrorText(imap));
    Exit;
  end;

// Login
success := CkImap_Login(imap,'myLogin','myPassword');
if (success <> True) then
  begin
    Memo1.Lines.Add(CkImap__lastErrorText(imap));
    Exit;
  end;

// Select an IMAP mailbox
success := CkImap_SelectMailbox(imap,'Inbox');
if (success <> True) then
  begin
    Memo1.Lines.Add(CkImap__lastErrorText(imap));
    Exit;
  end;

// Get message ID's for emails older than 1/1/2018

fetchUids := True;
messageSet := CkImap_Search(imap,'SENTBEFORE 01-Jan-2018',fetchUids);
if (CkImap_getLastMethodSuccess(imap) = False) then
  begin
    Memo1.Lines.Add(CkImap__lastErrorText(imap));
    Exit;
  end;

// If desired, we can examine the Subject of each email to be deleted..
i := 0;
count := CkMessageSet_getCount(messageSet);
while i < count do
  begin
    email := CkImap_FetchSingleHeader(imap,CkMessageSet_GetId(messageSet,i),True);
    if (CkImap_getLastMethodSuccess(imap) = True) then
      begin
        Memo1.Lines.Add(CkEmail__subject(email));
        CkEmail_Dispose(email);
      end;
    i := i + 1;
  end;

// Set the Deleted flag for each message:
success := CkImap_SetFlags(imap,messageSet,'Deleted',1);
if (success <> True) then
  begin
    Memo1.Lines.Add(CkImap__lastErrorText(imap));
    CkMessageSet_Dispose(messageSet);
    Exit;
  end;

// Expunge and close the mailbox.
success := CkImap_ExpungeAndClose(imap);
if (success <> True) then
  begin
    Memo1.Lines.Add(CkImap__lastErrorText(imap));
    CkMessageSet_Dispose(messageSet);
    Exit;
  end;

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

CkMessageSet_Dispose(messageSet);

CkImap_Dispose(imap);

end;