At 14:00 2/21/95, David Buchanan wrote:
> We are considering moving an existing class B subnet to a Class C behind the
>JANUS gateway. One requirement is that our client doesn't want people
>to have to learn new e-mail addresses. Our concern is over "dumb"
>mailers which might not pay attention to MX records or DNS altogether.
>How many "dumb" mailers actually exist on the Internet, (ie. how much of
>a problem is this really) ? Has anyone had to face a simular situation.
It's really not a problem. There is no IP address assigned to
"GreatCircle.COM", for instance (only a couple of MX records), and that's
try of many domains on the Internet (many domains have ONLY MX records,
because they're connected via UUCP to a service provider, for example).
If this were a significant problem, a LOT of sites would be unreachable by
Anybody whose mailer is that dumb generally configures it to send _all_
their outgoing mail to their service provider (who presumably has a smarter
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