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.\" $OpenBSD: smtpctl.8,v 1.21 2011/08/17 20:04:43 gilles Exp $
.\"
.\" Copyright (c) 2006 Pierre-Yves Ritschard <pyr@openbsd.org>
.\"
.\" Permission to use, copy, modify, and distribute this software for any
.\" purpose with or without fee is hereby granted, provided that the above
.\" copyright notice and this permission notice appear in all copies.
.\"
.\" THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
.\" WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
.\" MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
.\" ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
.\" WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
.\" ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
.\" OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
.\"
.Dd $Mdocdate: August 17 2011 $
.Dt SMTPCTL 8
.Os
.Sh NAME
.Nm smtpctl
.Nd control the Simple Mail Transfer Protocol daemon
.Sh SYNOPSIS
.Nm
.Ar command
.Op Ar argument ...
.Sh DESCRIPTION
The
.Nm
program controls
.Xr smtpd 8 .
Commands may be abbreviated to the minimum unambiguous prefix; for example,
.Cm sh s
for
.Cm show stats .
.Pp
The following commands are available:
.Bl -tag -width Ds
.It Cm log brief
Disable verbose debug logging.
.It Cm log verbose
Enable verbose debug logging.
.It Cm pause incoming
Temporarily stop accepting incoming sessions.
.It Cm pause local
Temporarily stop deliveries to local users.
.It Cm pause outgoing
Temporarily stop relaying and deliveries to
remote users.
.It Cm remove Ar envelope-id | message-id
Removes a single envelope, or all envelopes with the same message ID.
.It Cm resume incoming
Resume accepting incoming sessions.
.It Cm resume local
Resume deliveries to local users.
.It Cm resume outgoing
Resume relaying and deliveries to remote users.
.It Cm schedule Ar envelope-id | message-id
Marks a single envelope, or all envelopes with the same message ID,
as ready for immediate delivery.
.It Cm show queue
Displays information concerning envelopes
that are currently in a queue.
.It Cm show runqueue
Displays information concerning envelopes
that are scheduled for delivery.
.It Cm show stats
Displays runtime statistics concerning
.Xr smtpd 8 .
.El
.Pp
When
.Nm smtpd
receives a message, it generates a
.Ar message-id
for the message, and one
.Ar envelope-id
per recipient.
The
.Ar message-id
is a 32-bit random identifier that is guaranteed to be
unique on the host system.
The
.Ar envelope-id
is a 64-bit unique identifier that encodes the
.Ar message-id
in the 32 upper bits and a random envelope identifier
in the 32 lower bits.
.Pp
A command which specifies a
.Ar message-id
applies to all recipients of a message;
a command which specifies a
.Ar envelope-uid
applies to a specific recipient of a message.
.Sh FILES
.Bl -tag -width "/var/run/smtpd.sockXX" -compact
.It /var/run/smtpd.sock
.Ux Ns -domain
socket used for communication with
.Xr smtpd 8 .
.El
.Sh SEE ALSO
.Xr smtpd 8
.Sh HISTORY
The
.Nm
program first appeared in
.Ox 4.6 .
|
