Re: several messages

[John C Klensin <[e-mail]>]

--On Wednesday, 12 November, 2008 23:46 -0500 Al Iverson
<[e-mail]> wrote:

>...
> The professional who has printed their AOL.com email address
> on their business card has problems that are far greater than,
> and not unique to, an ISP's use of DNSBLs.

And yet, Al, it is fairly regularly done.  And yahoo.com
addresses are even more common -- a usage that, at least at one
time, Yahoo actively encouraged for those who were maintaining
stores there.  I also see mac.com and gmail.com email addresses
on business cards fairly regularly.

Now, if people ask me for advice, I tell them that they are
better off with their own domains and with associated Whois info
that points directly to their businesses (no anonymous or hidden
registration stuff).  But only a tiny percentage ask me.

Assuming one of these professional has decided, even by default,
to do that, where is it written that they have problems
sufficiently severe that you get to decide that they really are
not entitled to reliable email?

You should also be aware, in case you are not, that in many
parts of the world (and even the US) the choice of ISPs for a
residential customer is essentially limited to one.  And that
ISP, based on how they have interpreted advice from the antispam
community, has tried to block outbound SMTP connections that go
anywhere but to their servers.

     john


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