Susan, is qmail-send running? tcpserver is used to run qmail-smtpd to accept emails but qmail-send does the actual queue processing and delivery.
27755 ? S 0:00 multilog t s100000 n20 /var/log/qmail/qmail-send
Susan, why do you say the email server is broken?
'tail -f /var/log/qmail/qmail-send/current'
That should indicate activity of qmail in processing and delivering email.