qmail-tcpto(8)
NAME
qmail-tcpto - print TCP timeout table
SYNOPSIS
qmail-tcpto
DESCRIPTION
After an SMTP connection attempt times out, qmail-remote
records the relevant IP address. If the same address
fails again (after at least two minutes with no interven
ing successful connections), qmail-remote assumes that
further attempts will fail for at least another hour.
qmail-tcpto prints qmail-remote's current list of time
outs.
qmail-tcpto must be run either as root or with user id
qmailr and group id qmail.