nancyn wrote:

I just contacted Adelphia, broadband.
These are messages that are coming from spammers that are using a new
method to bypass enterprise spam filters. We are aware of this
problem, and hopefully we can filter them all out in the near future.
However, for now, there isn't an immediate solution. Please continue
to ignore and delete these messages.

I don't know whether it is you or I that is off-topic here.
--
Brian Tillman