1.\" $OpenBSD: mkalias.8,v 1.12 2020/11/01 21:32:04 jmc Exp $ 2.\" 3.\" Copyright (c) 1997 Mats O Jansson <moj@stacken.kth.se> 4.\" All rights reserved. 5.\" 6.\" Redistribution and use in source and binary forms, with or without 7.\" modification, are permitted provided that the following conditions 8.\" are met: 9.\" 1. Redistributions of source code must retain the above copyright 10.\" notice, this list of conditions and the following disclaimer. 11.\" 2. Redistributions in binary form must reproduce the above copyright 12.\" notice, this list of conditions and the following disclaimer in the 13.\" documentation and/or other materials provided with the distribution. 14.\" 15.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS 16.\" OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 17.\" WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 18.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY 19.\" DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 20.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 21.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 22.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 23.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 24.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 25.\" SUCH DAMAGE. 26.\" 27.Dd $Mdocdate: November 1 2020 $ 28.Dt MKALIAS 8 29.Os 30.Sh NAME 31.Nm mkalias 32.Nd a YP map conversion program 33.Sh SYNOPSIS 34.Nm mkalias 35.Op Fl nv 36.Oo 37.Fl E | e 38.Op Fl du 39.Oc 40.Ar input 41.Op Ar output 42.Sh DESCRIPTION 43.Nm 44is used to convert a mail.aliases map to a mail.byaddr map. 45This is an inverse map of user@host (or user!host) back to alias. 46.Pp 47The options are as follows: 48.Bl -tag -width Ds 49.It Fl d 50Assume domain names are OK. 51Only useful together with 52.Fl E 53or 54.Fl e . 55.It Fl E 56Same as 57.Fl e , 58but also check for any MX-record. 59.It Fl e 60Check host to verify that it exists. 61.It Fl n 62Capitalize name. e.g., mats.o.jansson becomes Mats.O.Jansson. 63.It Fl u 64Assume UUCP names are OK. 65Only useful together with 66.Fl E 67or 68.Fl e . 69.It Fl v 70Verbose mode. 71.It Ar input 72Use this map as input. 73.It Ar output 74Use this map as output. 75If the output map isn't given, don't create database. 76Can be useful together with 77.Fl E 78or 79.Fl e . 80.El 81.Sh SEE ALSO 82.Xr yp 8 , 83.Xr ypserv 8 84.Sh AUTHORS 85.An Mats O Jansson Aq Mt moj@stacken.kth.se 86.Sh BUGS 87.Nm 88on SunOS 4.1.x seems to have a 89.Fl s . 90Since I don't know what it is supposed to do I haven't implemented it. 91But it is accepted by the program. 92