.\" Copyright (c) 1983, 1987, 1990, 1993
.\"	The Regents of the University of California.  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 the University of
.\"	California, Berkeley and its contributors.
.\" 4. Neither the name of the University nor the names of its contributors
.\"    may be used to endorse or promote products derived from this software
.\"    without specific prior written permission.
.\"
.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
.\" ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
.\" SUCH DAMAGE.
.\"
.\"     @(#)mailaddr.7	8.1 (Berkeley) 6/16/93
.\" %FreeBSD: src/share/man/man7/mailaddr.7,v 1.6.2.1 2001/08/17 13:08:49 ru Exp %
.\"
.\" $FreeBSD: doc/ja_JP.eucJP/man/man7/mailaddr.7,v 1.4 2001/05/14 01:09:42 horikawa Exp $
.\"
.Dd June 16, 1993
.Dt MAILADDR 7
.Os
.Sh ̾
.Nm mailaddr
.Nd ᡼륢ɥ쥹β
.Sh 
᡼륢ɥ쥹ϡΥޥ˥奢ڡκǸ󤹤롢󥿡ͥåȤ
ץȥ˴ŤƤޤΥɥ쥹Ūʽ
.Pp
.Dl user@domain
.Pp
˽ޤ
 domain ϥɥåȤǶڤ줿Ūʥ֥ɥᥤΥꥹȤǤ
㤨Сɥ쥹ϰʲ̤Ǥ
.Pp
.Dl eric@CS.Berkeley.EDU
.Pp
ɥ쥹ɽΤ̷ȰۤʤꡢɥᥤˤϷϩ
Ƥΰ̣ޤ
椨Υɥ쥹󥿡ͥåȤΥɥ쥹Ȥƻꤵ줿Ǥ⡢
⤷¾ηϩؤäΨŪäꤹϡ᡼
̤ޤ
㤨СBerekeley ǤϡΥɥ쥹ꤷå
Berkeley Υ󥿡ͥåȥȥ̤餺餯ͥåȤ
̤ľ CS عԤǤ礦
.Ss ά
ξˤƤϴʥɥᥤ̾ꤹɬפϤޤ
ŪˡΥɥ쥹κǽΥɥåȤʬʤ
åȯ褦ȤƤƱɥᥤǤϡ
ɥåȰʹߤΤ٤Ƥάƹޤ
㤨С``calder.berkeley.edu'' ˽°桼ϡ¦ȼ¦
ۥȤƱǤ뤿ᡢ``berkeley.edu'' Ĥ ``eric@CS'' 
å뤳ȤǤޤ
.Ss ߴ
.Pp
θŤɥ쥹ν񼰤ϰΥ᡼륷ƥ˸ߴˤʤ褦
񼰤Ѵޤäˡ
.Pp
.Dl user@host
.Pp

.Dl user@host.domain
.Pp
ϤΤޤ޿񼰤Ǥޤ
.Pp
.Dl host.domain!user
.Pp

.Pp
.Dl user@host.domain
.Pp
Ѵ졢
.Pp
.Dl host!user
.Pp

.Pp
.Dl user@host.UUCP
.Pp
Ѵޤ
.Pp
̾Ť UUCP ۥȤȤθߴݤĤˡ
 ``host!user'' ˵Ѵޤ
.Pp
.Ss ʸȾʸζ
.Pp
ɥᥤ̾ (ʤ``@'' θˤ뤹٤) ϡUUCP ۥ̾
㳰ȤơʸȾʸɤΤ褦˺Ƥ⹽ޤ
¿ΥۥȤϥ桼̾ʸȾʸɤΤ褦˺ƻȤä
դޤ̾㳰ȤƤ MULTICS Ȥޤ
.Ss ϩĤɥ쥹
.Pp
ξǤϡåǽŪ˹Ԥ夫뤿
ĤΥۥȤͳϤȤƻꤹ뤳Ȥ;ʤ뤳Ȥ
뤫⤷ޤ
̾盧ηϩϼưŪ˹Ԥޤ
åηϩưǻꤷ˾ޤޤ
Υ졼򼨤ɥ쥹ϡַϩĤɥ쥹(route-addr)פȸƤФޤ
ϰʲιʸ˽ޤ
.Pp
.Dl <@hosta,@hostb:user@hostc>
.Pp
ϡåޤ hosta 졢 hostb ء
Ǹ hostc 뤳Ȥ򼨤ޤ
ηϩϡhostc ؤΤΨŪʷϩ¸ߤǤ⡢ޤ
.Pp
ϩĤɥ쥹ϥ꥿󥢥ɥ쥹ˤФɽޤ
ϡ㡢ƥۥȤˤƥեȥƬ
ϩդä뤿Ǥ
ºݤ̤뤿ˡɥ쥹 ``user@hostc'' ʬ
٤Ƥʬ̵뤹뤳ȤǤΤǤ
.Pp
[: route-addr ʸϡѤʤ褦 RFC 1123 ǸƤΤ
Ѥ٤ǤϤޤ]
.Pp
ñʷϩΤˡ¿ΥȤϡ֥ѡȥϥåפ
ݡȤƤޤ
.Pp
.Dl user%hostc%hostb@hosta
.Pp
ϡ˼ΤƱϩ̤äޤ
.Ss ݥȥޥ
.Pp
٤ƤΥȤϡ᡼륷ƥ˴ؤǤ
``postmaster'' Ȥ̾Υ桼桼ؤΥꥢ
ɬפޤ
.Ss ¾Υͥåȥ
.Pp
¾ΥͥåȥΤΰˤϡΥͥåȥ̾
ɥᥤκǸιǤȤͿ뤳Ȥˤäơ
åϤ뤳ȤΤǤΤ⤢ޤ

.Em ɸεǽǤϤʤ
Τǡ٤ƤΥȤǥݡȤƤ櫓ǤϤʤǤ礦
㤨СCSNET  BITNET ΥȤؤϤ줾 ``user@host.CSNET'' 
``user@host.BITNET'' ȤǤ뤳ȤФФǤ
.Sh Ϣ
.Xr mail 1 ,
.Xr sendmail 8
.Rs
.%A Crocker, D. H.
.%T Standard for the Format of Arpa Internet Text Messages
.%O RFC822
.Re
.Sh 
.Nm mailaddr
ޥ˥奢ڡ
.Bx 4.2
о줷ޤ
.Sh Х
RFC822 Υ롼׹ʸ (``group:user1,user2,user3;'') ϡ
Ť berknet Υɥ쥹Ⱦͤ뤿ᡢ
``group:;'' Ȥ̤ʾƥݡȤƤޤ
.Pp
ϩĤɥ쥹ʸǤ
.Pp
UUCP  Internet Υɥ쥹鵷¸Ǥޤ
.\"ZZZ: 3.0-RELEASE compliant by N. Kumagai 99-1-21