/**
* @return bool
*/
private function _connect()
{
if (null === $this->_oSieve) {
$this->_oSieve = new sieve(self::HOST, self::PORT, $this->_sLogin, $this->_sPassword);
$this->_oSieve->Log =& $this->_oLog;
}
if ($this->_oSieve->sieve_alive()) {
return true;
} else {
if ($this->_oSieve->sieve_login()) {
@register_shutdown_function(array(&$this->_oSieve, 'sieve_logout'));
return true;
}
}
return false;
}
