[CentOS] SPAM on the List

[Patrick Lists]

On 07/17/2011 11:24 PM, Always Learning wrote:
> *almost* correct. In Linux, like Unix and the pre-Microsoft days,
> uppercase letters have a different numerical value to lowercase letters.
>
> Uppercase 'COM' is definitely not the same as lowercase 'com'.

Please correct me if I am wrong but afaik upper-/lowercase does not 
matter in DNS. Also, I am not aware of e.g. Postfix actually rejecting 
(with reject_unknown_client_hostname) a FQDN with capitals when a FQDN 
in lowercase was expected.

Regards,
Patrick