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Article: 1889
From: Christopher P. Lindsey
Date: 2008-07-30 13:14:27 -0400
Subject: Re: milter-error and case sensitive cache entries

Removal...........: milters-request@milter.info?subject=remove
More information..: http://www.milter.info/#Support
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----- "Willi Burmeister" <wib@cs.uni-kiel.de> wrote:

> I just checked the milter-abook cache and found these entries:
> 
> 2008-04-14 12:19:34 | 2008-07-30 10:17:35 |     18 |  17144 |
> wib@cs.uni-kiel.de
> 2008-04-15 15:38:52 | 2008-07-30 10:21:04 |      0 |    384 |
> wib@CS.UNI-KIEL.DE
> 2008-04-25 09:21:10 | 2008-07-16 15:23:42 |      0 |     38 |
> Wib@cs.uni-kiel.de
> 2008-04-26 18:53:46 | 2008-07-03 08:46:29 |      0 |      3 |
> WIB@CS.UNI-KIEL.DE
> 
> These are obviously all for the same recipient. Shouldn't they
> be case insensitive?

The domain names should definitely be case insensitive (RFC 1035
and 821).  The username portion is case sensitive as per RFC 821, 
although some application software like the Mailman mailing list
manager ignore this requirement.

So, the first two are identical, but the others are unique and 
should have separate entries to maintain RFC compliance. 

Maybe an option can be added to the milter to toggle case
sensitivity off for sites that don't distinguish between the
two.

Chris

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