I received a prompt reply from Mike at newsguy. His response is copied below.
So far, I’ve not received any other suggestions for a gateway host, nor
any concerns about us using “newsguy”, so I assume that everyone is okay
Ken, could you please enter in the subscription address that he requests and
then let me know when it is completed? I’ll contact him after I hear from you.
(message from email@example.com)
>>Thanks for checking with me on this, and we look forward to helping you out
>>with the gateway. Several months back, Newsguy offered to take over gateway
>>support at no cost, for those currently setup through American University.
>>They’ve been great in providing this service the past several years, and we’d
>>like to help all we can in giving back to the Usenet community.
>>In order to get started with setup, I’d appreciate if you can subscribe the
>>following address to your list:
>>This would be the address we receive message through the list, and put through
>>to the group. Once completed, please let me know, and include the email
>>address we would direct messages to the list with. We’ll then have the
>>remaining portion of things setup as soon as possible afterwards.