The users reported back that using a US proxy allowed them to access the 
archives and subscription page. So yes, there does appear to be a block in 
place for non-US addresses.

On Sat, 9 Jan 2021, Robert W.Mills wrote:

> The short answer to your question is YES.
>
> Last year I needed to find something in the archive. Every time I tried
> the connection timed out. I sent an email to the raven admin reporting
> the problem. Their response was to tell me that they were blocking ALL
> non-US connections.
>
> I can't remember the exact reasons given but I did post it to the list.
> Somebody who has access to the archive or has a copy of my post should
> be able to send you a copy.
>
> -- Robert
>
> On 09/01/2021 03:41, Mike Loewen wrote:
>> External Email
>>
>>    A couple of users from the Vintage HP list are trying to subscribe
>> to this
>> list, but are unable to reach the server (raven.utc.edu). One is in
>> Australia
>> and one in Canada. Is there a block in place for users outside the US?
>>
>>
>> Mike Loewen                             [log in to unmask]
>> Old Technology                          http://q7.neurotica.com/Oldtech/
>> This message is not from a UTC.EDU address. Caution should be used in
>> clicking links and downloading attachments from unknown senders or
>> unexpected email.
>>
>> * To join/leave the list, search archives, change list settings, *
>> * etc., please visit http://raven.utc.edu/archives/hp3000-l.html *
>
> * To join/leave the list, search archives, change list settings, *
> * etc., please visit http://raven.utc.edu/archives/hp3000-l.html *
>

Mike Loewen				[log in to unmask]
Old Technology				http://q7.neurotica.com/Oldtech/

* To join/leave the list, search archives, change list settings, *
* etc., please visit http://raven.utc.edu/archives/hp3000-l.html *