Delphi DLL

Office365 IMAP List Mailboxes

See more Office365 Examples

List the Office365 IMAP mailboxes. Delphi DLL

uses
    Winapi.Windows, Winapi.Messages, System.SysUtils, System.Variants, System.Classes, Vcl.Graphics,
    Vcl.Controls, Vcl.Forms, Vcl.Dialogs, Vcl.StdCtrls, Mailboxes, Imap, JsonObject;

...

procedure TForm1.Button1Click(Sender: TObject);
var
success: Boolean;
jsonToken: HCkJsonObject;
imap: HCkImap;
refName: PWideChar;
wildcardedMailbox: PWideChar;
subscribed: Boolean;
mboxes: HCkMailboxes;
i: Integer;

begin
success := False;

// An Office365 OAuth2 access token must first be obtained prior
// to running this code.

// Getting the OAuth2 access token for the 1st time requires the O365 account owner's 
// interactive authorizaition via a web browser.  Afterwards, the access token
// can be repeatedly refreshed automatically.

// See the following examples for getting and refreshing an OAuth2 access token

// Get Office365 SMTP/IMAP/POP3 OAuth2 Access Token
// Refresh Office365 SMTP/IMAP/POP3 OAuth2 Access Token

// First get our previously obtained OAuth2 access token.
jsonToken := CkJsonObject_Create();
success := CkJsonObject_LoadFile(jsonToken,'qa_data/tokens/office365.json');
if (success = False) then
  begin
    Memo1.Lines.Add('Failed to open the office365 OAuth JSON file.');
    Exit;
  end;

imap := CkImap_Create();

CkImap_putSsl(imap,True);
CkImap_putPort(imap,993);

// Connect to the Office365 IMAP server.
success := CkImap_Connect(imap,'outlook.office365.com');
if (success = False) then
  begin
    Memo1.Lines.Add(CkImap__lastErrorText(imap));
    Exit;
  end;

// Use OAuth2 authentication.
CkImap_putAuthMethod(imap,'XOAUTH2');

// Login using our username (i.e. email address) and the access token for the password.
success := CkImap_Login(imap,'OFFICE365_EMAIL_ADDRESS',CkJsonObject__stringOf(jsonToken,'access_token'));
if (success = False) then
  begin
    Memo1.Lines.Add(CkImap__lastErrorText(imap));
    Exit;
  end;

Memo1.Lines.Add('O365 OAuth authentication is successful.');

// Get the list of mailboxes.
refName := '';
wildcardedMailbox := '*';
subscribed := False;

mboxes := CkMailboxes_Create();
success := CkImap_MbxList(imap,subscribed,refName,wildcardedMailbox,mboxes);
if (success = False) then
  begin
    Memo1.Lines.Add(CkImap__lastErrorText(imap));
    Exit;
  end;

i := 0;
while i < CkMailboxes_getCount(mboxes) do
  begin
    Memo1.Lines.Add(CkMailboxes__getName(mboxes,i));
    i := i + 1;
  end;

// Sample output looks like this:
// Archive
// Calendar
// Calendar/Birthdays
// Calendar/United States holidays
// Contacts
// Conversation History
// Deleted Items
// Drafts
// INBOX
// INBOX/abc
// INBOX/misc
// INBOX/misc/birdeye
// INBOX/old
// INBOX/old/large
// INBOX/receipts
// Journal
// Junk Email
// Notes
// Outbox
// RSS Subscriptions
// Sent Items
// Sync Issues
// Sync Issues/Conflicts
// Sync Issues/Local Failures
// Sync Issues/Server Failures
// Tasks
// Trash

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

CkJsonObject_Dispose(jsonToken);
CkImap_Dispose(imap);
CkMailboxes_Dispose(mboxes);

end;