This looks like the user has gone into AOL Mail Controls and said they only
want to receive mail from certain sources, and the address shown below is
not one of them.

On Wed, 14 May 1997 12:59:11 -0400 Gilles Frydman said:
>I guess we were a little too optimistic :-(
>
>What are those error messages that I STILL receive???
>
>.. while talking to c.mx.aol.com.:
>>>> MAIL From:<[log in to unmask]> SIZE=4606
><<< 550 <[log in to unmask]>... Delivery not authorized, message refused.