Trying to use uppercase names in Postfix.

[Rolf Kutz]

On 29/12/08 18:54 +0100, Markus Hitter wrote:
>
>Am 29.12.2008 um 18:24 schrieb Xn Nooby:
>
>> I am using Postfix to replace an existing  email system, and I am
>> inheriting usernames that are in uppercase. Apparently Postfix
>> converts all email addresses to lowercase, so I cannot receive mail to
>> the accounts that are in uppercase. This surprised me, because the
>> linux user accounts are in uppercase.
>
>While Email adresses are case insensitive (jim123 at gmail.com ist the  
>same as jim123 at Gmail.COM), Unix/Linux user accounts are case  
>sensitive. JIM123 ist allowed as well as Jim123 or jim123, but those  
>three are three different user names.

Email is handled case sensitive most of the time,
but local parts can be case sensitive.

http://en.wikipedia.org/wiki/E-mail_address#RFC_specification

regards, Rolf
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