.\"	$NetBSD: mkalias.8,v 1.13 2014/03/18 18:20:48 riastradh Exp $
.\"
.\" Copyright (c) 1997 Mats O Jansson <moj@stacken.kth.se>
.\" All rights reserved.
.\"
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.Dd February 26, 2005
.Dt MKALIAS 8
.Os
.Sh NAME
.Nm mkalias
.Nd a NIS map conversion program
.Sh SYNOPSIS
.Nm
.Op Fl deEnsuv
.Ar input
.Op Ar output
.Sh DESCRIPTION
.Nm
is used to convert a
.Pa mail.aliases
map to a
.Pa mail.byaddr
map. This is a inverse map of user@host (or user!host) back to alias.
.Pp
.Nm
uses
.Ar input
as the input map, and if
.Ar output
is given, use that as the output map.
If the output map isn't given don't create database.
This can be useful when
.Fl e
or
.Fl E
is given.
.Pp
The options are as follows:
.Bl -tag -width indent
.It Fl d
Assume domain names are OK.
Only useful together with
.Fl e
or
.Fl E .
.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 n
Capitalize name.
E.g., mats.o.jansson becomes Mats.O.Jansson.
.It Fl u
Assume UUCP names are OK.
Only useful together with
.Fl e
or
.Fl E .
.It Fl s
Ignored (only provided for compatibility with SunOS 4.1.x).
.It Fl v
Verbose mode.
.El
.Sh SEE ALSO
.Xr nis 8 ,
.Xr ypserv 8
.Sh AUTHORS
.An Mats O Jansson Aq Mt moj@stacken.kth.se