[CentOS] Mailing List "mail forwarding loop"

> Kai Schaetzl wrote:
>> I've been getting over the last months several of these notices. Sometimes
>> a few per day. What's the problem? Can't this be avoided?
>
>>                    The mail system
>>
>> <centos at centos.org>: mail forwarding loop for centos at centos.org
>
> I haven't the faintest idea *why* those happen. Especially as the mails
> in question do make it through to the list (and I never got one of
> those, so I cannot really look at all the headers).
>
> There is a user "centos" on that machine, but as aliases >> local users
> in postfix context, I'm really out of ideas.

i got one as well and when i looked in the headers it appears to be 
getting generated via a ohio state trying to reinject the message back to 
the list.