[exim-dev] [Bug 982] Exim 4.71 is incorrect handle cyrillic …

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Author: Nigel Metheringham
Date:  
To: exim-dev
Subject: [exim-dev] [Bug 982] Exim 4.71 is incorrect handle cyrillic domain names
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http://bugs.exim.org/show_bug.cgi?id=982

Nigel Metheringham <nigel@???> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|                            |INVALID





--- Comment #1 from Nigel Metheringham <nigel@???> 2010-05-13 15:21:52 ---
RFC5321 is quite clear [Section 2.4] that SMTP commands and responses are 7 bit
ASCII (unless an
ESMTP extension has negotiated otherwise - at this point in time exim
recognises no
such extensions).

Additionally RFC5321[Section 2.3.5] states

These
components ("labels" in DNS terminology, RFC 1035 [2]) are restricted
for SMTP purposes to consist of a sequence of letters, digits, and
hyphens drawn from the ASCII character set [6].

Exim should, therefore reject the cyrillic domain name as an error.

Presumably the address should be specified in the DNS punycode type encoding.


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