gistfile1.m

    MCOIMAPSession *session = [[MCOIMAPSession alloc] init];
    session.username = @"monkeybreadr@gmail.com";
    session.password = @"";
    session.hostname = @"imap.gmail.com";
    session.port = 993;
    session.connectionType = MCOConnectionTypeTLS;

    MCOOperation * op = [session checkAccount(Operation)?];
    [op start:^(NSError *err) {
        if (err) {
            NSLog(@"Oh crap, an error %@", err);
        } else {
            NSLog(@"CONNECTED");
        }
    }];
    
    MCOOperation *op = [session fetchAllFolders(Operation)?];
    [op start:^(NSError *err, NSArray * folders) {
        if (err) {
            NSLog(@"Oh crap, an error %@", err);
        } else {
            NSLog(@"Folder %@", response);
        }
    }];