void InboxMessageSet::init()
{
    // Add every email account as a folder within the inbox
    synchronizeAccountChildren();

    connect(model(), SIGNAL(accountsAdded(QMailAccountIdList)), this, SLOT(accountsAdded(QMailAccountIdList)));
    connect(model(), SIGNAL(accountsUpdated(QMailAccountIdList)), this, SLOT(accountsUpdated(QMailAccountIdList)));
    connect(model(), SIGNAL(accountsRemoved(QMailAccountIdList)), this, SLOT(accountsRemoved(QMailAccountIdList)));
    connect(model(), SIGNAL(accountContentsModified(QMailAccountIdList)), this, SLOT(accountContentsModified(QMailAccountIdList)));

    EmailStandardFolderMessageSet::init();
}
// ############ Slots ##############
void EmailAccountListModel::onAccountsAdded(const QModelIndex &parent, int start, int end)
{
    Q_UNUSED(parent);
    Q_UNUSED(start);
    Q_UNUSED(end);

    emit accountsAdded();
    emit numberOfAccountsChanged();
    emit lastUpdateTimeChanged();
}