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On 2001-12-24 at 07:18 +0100, Torsten Mueller wrote:
> I use exim 3.31 with mysql support ("virtual hosts"
> support).
>
> The problem:
> If someone sends mail to info@??? the mail goes
> correct to the
> spoolfile /var/spool/mail/domain.de/info
>
> but:
> mail to infó@domain.de goes to the spoolfile
> /var/spool/mail/domain.de/infó
>
> note: there doesn't exists an account infó (don't know if
> you can see the "ó", it's
> an french o i think).
>
> In my opinion it's a mysql problem, cause mysql should say :
> user infó doesn't exist.
In my opinion it's a problem in several places, since that's an illegal
construction.
Extracting from the relevant RFCs:
-----------------------------< cut here >-------------------------------
RFC 2821 (SMTP):
Mailbox = Local-part "@" Domain
Local-part = Dot-string / Quoted-string
; MAY be case-sensitive
Dot-string = Atom *("." Atom)
Atom = 1*atext
Quoted-string = DQUOTE *qcontent DQUOTE
-----------------------------< cut here >-------------------------------
and:
-----------------------------< cut here >-------------------------------
RFC 2822 (Internet Message Format)
atext = ALPHA / DIGIT / ; Any character except controls,
"!" / "#" / ; SP, and specials.
"$" / "%" / ; Used for atoms
"&" / "'" /
"*" / "+" /
"-" / "/" /
"=" / "?" /
"^" / "_" /
"`" / "{" /
"|" / "}" /
"~"
qcontent = qtext / quoted-pair
qtext = NO-WS-CTL / ; Non white space controls
%d33 / ; The rest of the US-ASCII
%d35-91 / ; characters not including "\"
%d93-126 ; or the quote character
-----------------------------< cut here >-------------------------------
There is no way that the ó should be appearing on the left-hand side of
an email address (and, for that matter, the right-hand side).
You could regexp-match this with a condition when directing it. You
could get mysql to refuse it.
You could offer Philip Hazel much beer to implement a
local_part_charset_pedantic option. :^)
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I don't suffer from insanity. I enjoy every minute of it.
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