Double messages

[Karl Larsen]

Scott van Looy wrote:
> Today Karl Larsen did spake thusly:
>
>>   I noticed my messages were sent twice to the Fedora list. They are 
>> coming from somewhere outside my smtp server. Does anyone else have 
>> the same problem?
>>
>>   Now all messages to Fedora are sent twice. No other lists have this 
>> problem. So it must be a problem at Fedora or a more complex problem.
>
> We're not getting any of your messages twice. PEBKAC?
>
    What does PEBKAC mean?

Karl