SHOWQ(8) SHOWQ(8)
NAME
showq - list the Postfix mail queue
SYNOPSIS
showq [generic Postfix daemon options]
DESCRIPTION
The showq daemon reports the Postfix mail queue status.
It is the program that emulates the sendmail `mailq' com-
mand.
The showq daemon can also be run in stand-alone mode by
the super-user. This mode of operation is used to emulate
the `mailq' command while the Postfix mail system is down.
SECURITY
The showq daemon can run in a chroot jail at fixed low
privilege, and takes no input from the client. Its service
port is accessible to local untrusted users, so the ser-
vice can be susceptible to denial of service attacks.
STANDARDS
None. The showq daemon does not interact with the outside
world.
DIAGNOSTICS
Problems and transactions are logged to syslogd(8).
BUGS
The showq daemon runs at a fixed low privilege; conse-
quently, it cannot extract information from queue files in
the maildrop directory.
SEE ALSO
cleanup(8) canonicalize and enqueue mail
pickup(8) local mail pickup service
qmgr(8) mail being delivered, delayed mail
syslogd(8) system logging
LICENSE
The Secure Mailer license must be distributed with this
software.
AUTHOR(S)
Wietse Venema
IBM T.J. Watson Research
P.O. Box 704
Yorktown Heights, NY 10598, USA
SHOWQ(8)