File smtpd.xinetd of Package smtpd
# default: off
# This is the Obtuse smtpd/smtpfwdd SMTP store and forward proxy. It implements
# a minimal subset of the Simple Mail Transfer Protocol as specified in RFC 821.
service smtpd
{
socket_type = stream
protocol = tcp
wait = no
user = root
group = root
server = /usr/sbin/smtpd
disable = yes
}