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Date:      Tue, 24 Dec 2002 12:39:39 -0800
From:      Kurt Bigler <kkb@breathhost.net>
To:        Andrew Brampton <andrew@bramp.freeserve.co.uk>, <freebsd-questions@FreeBSD.org>
Subject:   Re: email addresses used for lists [was: L0phtcrack]
Message-ID:  <BA2E060B.5939%kkb@breathhost.net>
In-Reply-To: <006601c2ab87$4e1e79f0$0100a8c0@andrew>

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on 12/24/02 3:53 AM, Rob O'Donnell <robert@aphnet.co.uk> wrote:
>>> For web use, I use a throw-away free-ISP account (which lets me pop mail
>>> from
>>> anywhere!)  which hands out email addresses in the form
>>> anything@account.isp.co.uk
>>> - whenever a web sites asks me for an email address, I use their domain name
>>> in front of the @ - nothing to set up my end, and I know immediately
>>> whenever
>>> I get spam through that isp which web site gave it out.  (Thank you,
>>> Paltalk..)

on 12/24/02 11:07 AM, Kurt Bigler <kkb@breathhost.net> wrote:
>> Well that's an interesting idea.  Throw-away subdomains (excuse my
>> terminology 
>> - maybe I'm supposed to call them host names?) imply a whole "host" of email
>> addresses without wasting a domain name.
>> 
>> I have never implemented email at a subdomain.  Can most virtual domain mail
>> servers handle addr@foo.domain.com just as easily as addr@domain.com?

on 12/24/02 12:01 PM, Andrew Brampton <andrew@bramp.freeserve.co.uk> wrote:
> I think the orginal poster didn't mean to say set up a different subdomain
> for each account just a different address, for example
> 
> freebsd@bramp.freeserve.co.uk
> php@bramp.freeserve.co.uk
> someSiteISignedUpAt.com@bramp.freeserve.co.uk
> 
> I have a catch all email address so anything@bramp.freeserve.co.uk goes to
> me without having to set it up in advance, all goes to one mail box.

The original poster was pointing out that there are ISPs that offer free
_entire_domains_ of email, and my point is they can afford to do this
because they are using subdomains under their domain for this purpose.  The
point of having an entire [sub]domain available is that you can freely
allocate user names @ that domain, and one possible application of this is
to have a large space of names available to help track spam sources.

The point I was latching onto was that subdomains are cheap, but offer just
as large a space for email names as a domain would offer.  I am not
suggesting creating a subdomain for each account, but rather creating
subdomains as needed to create unique namespaces for email accounts.  As a
provider, I might consider each subdomain an "account", but the end user
needs such an account in order to have an entire namespace available.

Personally I have had enough problems with other email hosts that I just
want to use my own server now.  So I would rather create subdomains for this
purpose (for myself) rather than use another provider for this.  Besides,
then I can provide the same service to others.

Kurt Bigler



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