OT: Mail list cleaning

[Mike Masse]

I would think if such an application existed, that most spammers would 
have their dreams answered.   Most email list manager software will tell 
you if email is bouncing back due to bad address.

Paul Welsh wrote:
> Hi
>  
> Apologies this is off-topic, but can anyone recommend an application for
> cleaning email lists, ie, checking whether the address is still valid but
> not sending a message?
>