case sensitive of email address

Andrzej Filip anfi at
Mon May 5 13:44:05 EDT 2003

joel at wrote:

>Can anyone advise me as to how to make the email address case sensitive?
>my email add is abc at, however if i send a mail to ABC at,
>I am able to receive it.
>Is there any way where by I can make it case sensitive?
What MTA do you use ? [sendmail,exim,qmail,...]

User part of email address is traditionally case insensitive by long 
standing tradition but some MTAs (e.g. sendmail) may be configured to 
treat them in case sensitive way.

Andrzej [pl>en: Andrew] Adam Filip

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