I'm trying to remember, but I think I copied and saved the list 
addresses. Then deleted them.
Then I think I deleted what was left of the message from the queue. You 
can sort the queue by sender to make this quicker.
After I was sure it was good and dead, I pasted the addresses back in.

On 4/18/2012 5:11 PM, Tim Meyer wrote:
> Hi all,
>
> Anyone know how to stop a mailing list that is running. By mistake, 
> entered a very long smtp delay and it is going to be running for days.
>
> Any clue as how to stop it would be appreciated.