begin Tuesday 13 January 2004 19:18, Vivien M. quote:
Take the following situation: Joe Idiot has operated his small business
using an email address @isp.net. He upgraded to broadband, but keeps the
account with isp.net so he gets his business email. With SPF, isp.net must
provide him with a relay (or allow the broadband ISP's in its SPF record) -
if isp.net management wants to get a new BMW, they can tell Joe that the
SMTP AUTH relay service is $25/month. Assuming a time machine is not
available so he can go back in time and buy a domain like he SHOULD have,
Joe has two choices: pay up, or face serious disruption to his business
email. I'd say paying for the SMTP AUTH service is the cheaper alternative.
[...]
This assumption falls apart when you have situations like Joe's, where they
don't have their own domain, and it's logistically "too late" to switch.
It's never "too late". What Joe would do in such a situation is
register the joeidiot.com domain, and at the same time keep his old
address at isp.net .
For his outgoing mails, he'd use his new address. His old customer
still can contact him at his old address (incoming mail => no issue
with isp.net's SPF record). His new customers will use his new
address.
Eventually, after enough time has passed, he can phase out his old
address.
Alain
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