On Mon, 3 Mar 2003, Justin Mason wrote:
One issue I can see here: if I send mail from my home machine for
mydomain.org, connected using an ISP's dynamic pool of IPs for their DSL
users, then I either
[deletia]
Well, couldn't you relay through your ISP's SMTP server, and put that
server as your RMX record? This isn't perfect -- it means all of your
ISP's customers could spoof mail from your domain, but it's better than
nothing.
Nevertheless, I do not think RMX records will fly in practice.
There are often legitimate reasons for relaying through other SMTP
servers, such as when you're on the road and using an ISP's global
roaming service.
--
David.
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