[PLUG] Message acknowledgement with postfix?

[Chuck Mize]

On Fri, 2004-01-23 at 09:58, Rich Shepard wrote:
>   I've run into a unique situation. A mail list manager used by the Oregon
> State Library system for state agencies keeps sending me copies of a message
> because their MLM does not receive an acknowledgement that the message has
> been received(!). I've never before encountered this.
> 
>   I don't know that postfix can be tuned to send an acknowledgement. The
> address list includes this string for each address:
> 
> 	IPM Return requested Receipt notification requested

I think it's from a system that uses x400. Can you post all the headers?
Do you know if the library uses Groupwise or Lotus software?