.\"	$OpenBSD: mkalias.8,v 1.1 1997/07/26 12:12:28 maja Exp $
.\" Copyright (c) 1997 Mats O Jansson <moj@stacken.kth.se>
.\" All rights reserved.
.\"
.\" Redistribution and use in source and binary forms, with or without
.\" modification, are permitted provided that the following conditions
.\" are met:
.\" 1. Redistributions of source code must retain the above copyright
.\"    notice, this list of conditions and the following disclaimer.
.\" 2. Redistributions in binary form must reproduce the above copyright
.\"    notice, this list of conditions and the following disclaimer in the
.\"    documentation and/or other materials provided with the distribution.
.\" 3. All advertising materials mentioning features or use of this software
.\"    must display the following acknowledgement:
.\"      This product includes software developed by Mats O Jansson
.\" 4. The name of the author may not be used to endorse or promote products
.\"    derived from this software without specific prior written permission.
.\"
.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
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.Dd July 21, 1997
.Dt MKALIAS 8
.Os
.Sh NAME
.Nm mkalias
.Nd a YP map convertion 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 Mkalias
is used to convert a mail.aliases map to a mail.byaddr map. This is a
a inverse map of user@host (or user!host) back to alias. 
.Pp
.Pp
The options are as follows:
.Bl -tag -width indent
.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. eg 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 BUGS
.Nm mkalias
on SunOS 4.1.x seems to have a
.Fl s .
Since I don't know what it is supposed to do I havn't implemented it. But it is accepted by the program.
.Sh SEE ALSO
.Xr yp 8 ,
.Xr ypserv 8 
.Sh AUTHOR
Mats O Jansson <moj@stacken.kth.se>