.\"	$OpenBSD: mkalias.8,v 1.8 2003/06/12 12:59:54 jmc Exp $
.\"
.\" Copyright (c) 1997 Mats O Jansson <moj@stacken.kth.se>
.\" All rights reserved.
.\"
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.\" modification, are permitted provided that the following conditions
.\" are met:
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.\" 2. Redistributions in binary form must reproduce the above copyright
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.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
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.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
.\" SUCH DAMAGE.
.\"
.Dd July 21, 1997
.Dt MKALIAS 8
.Os
.Sh NAME
.Nm mkalias
.Nd a YP map conversion program
.Sh SYNOPSIS
.Nm mkalias
.Op Fl v
.Op Fl e
.Op Fl E
.Op Fl d
.Op Fl u
.Op Fl n
.Ar input
.Op Ar output
.Sh DESCRIPTION
.Nm
is used to convert a mail.aliases map to a mail.byaddr map.
This is an inverse map of user@host (or user!host) back to alias.
.Pp
The options are as follows:
.Bl -tag -width Ds
.It Fl v
Verbose mode.
.It Fl e
Check host to verify that it exists.
.It Fl E
Same as
.Fl e ,
but also check for any MX-record.
.It Fl d
Assume Domain names are OK.
Only useful together with
.Fl e
or
.Fl E .
.It Fl u
Assume UUCP names are OK.
Only useful together with
.Fl e
or
.Fl E .
.It Fl n
Capitalize name. e.g., mats.o.jansson becomes Mats.O.Jansson.
.It Ar input
Use this map as input.
.It Ar output
Use this map as output.
If the output map isn't given don't create database.
Can be useful together with
.Fl e
or
.Fl E .
.El
.Sh SEE ALSO
.Xr yp 8 ,
.Xr ypserv 8
.Sh AUTHORS
.An Mats O Jansson Aq moj@stacken.kth.se
.Sh BUGS
.Nm
on SunOS 4.1.x seems to have a
.Fl s .
Since I don't know what it is supposed to do I haven't implemented it.
But it is accepted by the program.