CAllMailUtil::ExtractMailAddress

static function ExtractMailAddress($email)
{
	$email = trim($email);
	if(($pos = mb_strpos($email, "<"))!==false)
		$email = mb_substr($email, $pos + 1);
	if(($pos = mb_strpos($email, ">"))!==false)
		$email = mb_substr($email, 0, $pos);
	return mb_strtolower($email);
}