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Message-ID: <3E657951.2000502@j.dendai.ac.jp>
From: FUJIMOTO Kou <fujimoto@j.dendai.ac.jp>
Organization: Tokyo Denki University
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Date: Wed, 05 Mar 2003 13:13:05 +0900
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Subject: [FreeBSD-users-jp 73646] Re: mail =?ISO-2022-JP?B?GyRCJEobKEI=?=
 =?ISO-2022-JP?B?GyRCNT9MZBsoQg==?= 
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$BF#K\!wEEBg$G$9!#(B

akira noda wrote:
> $B$U$H5?Ld$K$*$b$C$?$N$G$9$,!"(B
> Akira$B$H$$$&%f!<%6$H(Bakira$B$H$$$&%f!<%6!JBgJ8;z>.J8;z$,0c$&!K$KBP$7$F(Bmail$B%3(B
> $B%^%s%I$G(B
> $BAw$k$HN>J}$H$b(Bakira$B%f!<%6$KAw$i$l$k$s$G$9$h$M!#(B

$B$3$l!"$I$&$$$&!P<BAu!C@_Dj!Q$G;n$5$l$^$7$?$+!)(B
$B<j85$K$"$k(BFreeBSD 4-STABLE$B!\(BPostfix 2.0.4$B!\(BCyrus imapd$B$G$O(B
fujimoto$B$H(BFujimoto$B$r$-$A$s$H6hJL$7$FG[Aw$7$F$/$l$^$9$h!#(B

> $BBgJ8;z>.J8;z$7$+0c$o$J$$%f!<%6$J$s$F:n$k$J!*$H$$$&$N$O$b$C$H$b$J$N$G$9$,!"(B

vipw(8)$B$r;H$($P3N$+$K:n@.2DG=$G$9$,!"(Badduser(8)$B$@$H$=$b$=$bBgJ8;z(B
$B%f!<%6L>$r;XDj$G$-$J$+$C$?$j$7$^$9$M!#(Bpasswd(5)$B$rFI$`$H(B

also, it is strongly suggested that neither upper-case characters
nor dots (`.') be part of the name, as this tends to confuse mailers.

$B$H$"$j!"FC$K%a!<%kMm$_$G:.Mp$r>7$/$+$iBgJ8;z$r;H$o$J$$$N$,D6$*4+$a!"(B
$B$H$$$&$3$H$N$h$&$G$9!#(B

> RFC822$B$NF|K\8lLu(Bhttp://www.asahi-net.or.jp/~bd9y-
> ktu/dtd_f/rfc_f/rfc822j.html
> $B$r$_$k$H!">/$J$/$H$b(BSMTP$B$GG[?.Cf$O(Blocal-part($B%a%"%I$N(B@$B$h$jA0$NItJ,(B)$B$rBg(B
> $BJ8;z>.J8;z(B
> $B$r6hJL$7$J$,$iAw$C$F$/$l$k$_$?$$$J$N$G!":G=*CJ$G$"$k(Blocal-part$B$+$i%f!<%6(B

$B$^$"$=$&$J$N$G$9$,!"LnB<$5$s$,;XE&$5$l$?(BRFC2822$B$H$$$&$N$,$"$C$F!"(B
$B$3$l$O(BRFC822$B$r(Bobsolete$B$7$?$b$N$G$9$+$i!"$G$-$l$P$3$C$A$r;2>H(B
$B$7$?J}$,$h$j8=BeE*$G$"$k$H8@$($k$G$7$g$&!#$G!"$5$i$K8@$&$H(B
SMTP$B$NI8=`$rDj$a$?(BRFC821$B$b(BRFC2821$B$H$$$&?7$7$$J8=q$K<h$C$FBe$o$i$l$F(B
$B$$$^$7$F!"$=$NCf$G$O(B

The local-part of a mailbox MUST BE treated as case sensitive.
Therefore, SMTP implementations MUST take care to preserve
the case of mailbox local-parts.  Mailbox domains are not
case sensitive.  In particular, for some hosts the user "smith"
is different from the user "Smith".  However, exploiting the case
sensitivity of mailbox local-parts impedes interoperability
and is discouraged.

$B$H$"$j$^$9!#!JG[Aw$rJ]>Z$9$k$?$a$K!K(Blocal-part$B$OBgJ8;z>.J8;z$r6hJL(B
$B$7$J$1$l$P$J$i$J$$$,!"BgJ8;z>.J8;z$rMQ$$$?%a!<%k%\%C%/%9$r:n$k$N$O(B
$B@5D>$*4+$a$7$J$$!"$H$$$&$3$H$G$9$M!#(B

$B!t$A$J$_$K!"(BPostmaster$B$@$1$ONc30E*$K(Bcase insensitive$B$G$9!#(B

--
FUJIMOTO Kou, Tokyo Denki University

