It looks like I may also have something called Automatic Confirmation Emails. It consist of nothing more than a DB query.
INSERT INTO `sys_options` (`Name` ,`VALUE` ,`kateg` ,`desc` ,`Type` ,`check` ,`err_text` ,`order_in_kateg` ,`AvailableValues`)
VALUES ('confirmation_email_period', '2', '1', 'Time period for sending confirmation emails to uncofirmed profiles (in days)', 'digit', '', '', NULL , '');
INSERT INTO `sys_cron_jobs` (`id` ,`name` ,`time` ,`class` ,`file` ,`eval`)
VALUES (NULL , 'auto_conf_emails', '0 1 * * *', '', '', '$iPeriod = $GLOBALS[''MySQL'']->getParam(''confirmation_email_period''); $aProfilesToConfirm = $GLOBALS[''MySQL'']->getAll("SELECT `ID` FROM `Profiles` WHERE `Status` = ''Unconfirmed'' AND (`Couple`=0 OR `Couple` > `ID`) AND (TO_DAYS(NOW()) - TO_DAYS(`DateReg`)) % {$iPeriod} = 0"); foreach ($aProfilesToConfirm as $aProfile) activation_mail($aProfile[''ID''], 0);');