Re: Bounces vs. new messages

Todd A. Jacobs wrote:
> Over the past year, Charter (may they all rot in purgatory) has begun
> blocking outbound TMDA challenges with "relay not allowed" messages. So,
> this is really a set of questions:
> 
>   - Is TMDA issuing challenges as bounces?
>   - Is it possible to reconfigure TMDA to issue challenges as reply
>     messages rather than bounces?

Well, I believe you can configure the envelope sender of challenge
messages, and an empty envelope sender is a possible value, and that
could be interpreted as a bounce instead of a reply in some way...