Hi,
> > Furthermore, "non-anonymizing SMTP relay" is badly defined.
>
> In the context of these tests, it means a SMTP relay that writes the
> IP address of the client it is relaying email for in the Received
> header.
>
> Doing so is the most common interpretation of the relevant RFC, and
> the default configuration of all MTA I know. So, I would assume it's
> the most widespread kind of SMTP relay in the wild.
>
> I've just added this definition to the test suite, and clarified the
> two tests.
> Thanks.
An improvement would be to add a list of such SMTP relays and have
test accounts.
