Pascal (Lazarus/Delphi)

Copy an Email from One Mailbox to Another

Copies an email from one IMAP folder to another. After running this example, copies of the email will be present in both source and destination folders. Pascal (Lazarus/Delphi)

program ChilkatDemo;

// Demonstrates using the Chilkat Pascal wrapper via the C bridge DLL.
// Builds as a console application under Lazarus (FPC) or Delphi.

{$IFDEF FPC}
  {$MODE DELPHI}
{$ENDIF}
{$APPTYPE CONSOLE}

uses
  {$IFDEF UNIX}
  cthreads,
  {$ENDIF}
  SysUtils,
  CkDllLoader,
  Chilkat.Imap,
  Chilkat.MessageSet;

// ---------------------------------------------------------------------------

procedure RunDemo;
var
  success: Boolean;
  imap: TImap;
  fetchUids: Boolean;
  messageSet: TMessageSet;
  i: Integer;
  msgId: Integer;
  isUid: Boolean;

begin
  success := False;

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

  //  This example copies an email from one mailbox to another.
  imap := TImap.Create;

  //  Turn on session logging:
  imap.KeepSessionLog := True;

  //  Connect to an IMAP server.
  //  Use TLS
  imap.Ssl := True;
  imap.Port := 993;
  success := imap.Connect('imap.example.com');
  if (success = False) then
    begin
      WriteLn(imap.LastErrorText);
      Exit;
    end;

  //  Login
  success := imap.Login('***','***');
  if (success = False) then
    begin
      WriteLn(imap.LastErrorText);
      Exit;
    end;

  //  Select an IMAP mailbox
  success := imap.SelectMailbox('Inbox.testing.a');
  if (success = False) then
    begin
      WriteLn(imap.LastErrorText);
      Exit;
    end;

  fetchUids := True;

  //  Get the message IDs for all emails having "Re:" in the subject.
  messageSet := TMessageSet.Create;
  success := imap.QueryMbx('SUBJECT Re:',fetchUids,messageSet);
  if (success = False) then
    begin
      WriteLn(imap.LastErrorText);
      Exit;
    end;

  //  Copy the messages from "Inbox.testing.a" to "Inbox.testing.b" in one call to CopyMultiple:
  success := imap.CopyMultiple(messageSet,'Inbox.testing.b');
  if (success = False) then
    begin
      WriteLn(imap.LastErrorText);
      Exit;
    end;

  //  Alternatively, loop over each message in the set and
  //  copy each separately:
  i := 0;
  while i < messageSet.Count do
    begin

      msgId := messageSet.GetId(i);
      isUid := messageSet.HasUids;

      success := imap.Copy(msgId,isUid,'Inbox.testing.c');
      if (success = False) then
        begin
          WriteLn(imap.LastErrorText);
          Exit;
        end;
      i := i + 1;
    end;

  //  Display the session log.
  WriteLn(imap.SessionLog);

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


  imap.Free;
  messageSet.Free;

end;

// ---------------------------------------------------------------------------

begin

  try
    RunDemo;
  except
    on E: Exception do
      WriteLn('Unhandled exception: ', E.ClassName, ': ', E.Message);
  end;

  WriteLn;
  {$IFDEF MSWINDOWS}
  WriteLn('Press Enter to exit...');
  ReadLn;
  {$ENDIF}
end.