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.

Download Chilkat IMAP ActiveX

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

...

procedure TForm1.Button1Click(Sender: TObject);
var
imap: TChilkatImap;
success: Integer;
messageSet: CHILKATIMAPLib_TLB.IMessageSet;
fetchUids: Integer;
i: Integer;
n: Integer;
msgId: Integer;
isUid: Integer;

begin
//  This example copies an email from one mailbox to another.
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);
    Exit;
  end;

//  Turn on session logging:
imap.KeepSessionLog := 1;

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

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

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

fetchUids := 1;

//  Get the message IDs for all emails having "Re:" in the subject.
messageSet := imap.Search('SUBJECT Re:',fetchUids);
if (messageSet = nil ) then
  begin
    ShowMessage(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 <> 1) then
  begin
    ShowMessage(imap.LastErrorText);
    Exit;
  end;

//  Alternatively, loop over each message in the set and
//  copy each separately:

n := messageSet.Count;
if (n > 0) then
  begin
    for i := 0 to n - 1 do
      begin
        msgId := messageSet.GetId(i);
        isUid := messageSet.HasUids;
        success := imap.Copy(msgId,isUid,'Inbox.testing.c');
        if (success <> 1) then
          begin
            ShowMessage(imap.LastErrorText);
            Exit;
          end;
      end;

  end;

//  Display the session log.
Memo1.Lines.Add(imap.SessionLog);

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


end;