On Mon, 1 Jul 2002, Savage, Boyd wrote:

> As of this morning, all my group's mail that is going to earthlink
> subscribers is generating undeliverable notices that say:
>
>                     "550 relaying to <[log in to unmask]> prohibited
> by administrator"
>
> Is this something new that's cropped up because Earthlink has reconfigured
> something?  Is anyone else noticing this?

From the looks of that error message, it looks like Earthlink's network
manager has gotten too exhuborant in filtering out spam. You need to write
to [log in to unmask] to notify them of this issue.