hi, This looks like imposible. Because generaly, SMTP is running asyncron mode. Maybe you can do it mail's return-path's mailbox checking. But this will not be syncron too. Best Regards. -Cafer Angelo Zanetti <angelo@xxxxxxxxxxxx> writes: > HI all. > > Is it possible to determine if a mail was sent successfully or not > delivered using PHP? Obviously using PHP to send the emails. > thanks in advance > > ANgelo > > -- > PHP General Mailing List (http://www.php.net/) > To unsubscribe, visit: http://www.php.net/unsub.php -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php