On Mar 31 2006, Chris Lewis wrote:
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Laird Breyer wrote:
That doesn't mean much. Do people always complain about every mistake
that happens to them? I don't think so, people will just mentally
downgrade the value of the service and not waste their time. Some will
be vocal.
We're a business, and the contracts are worth a _lot_. So the incentive
to report, since the senders will get almost immediate notification, is
very high.
That is an important point, and you're in the best position to judge
it, but people can't report what they don't know might be occurring,
whatever the incentive. So claiming incentive as an argument for the
success of dnsbls won't (and really shouldn't) sway standards committees.
Some businesses expect a lot of short communication with unknown
members of the public, while others only communicate with a smaller
number of well defined partners.
Missing mail with the latter can be detected by the business due to
inconsistencies, and a strong incentive helps with detection in
that case.
But lost mail in the former case depends on the apathy of the
initiator, ie the member of the public sending the initial mail, and
doesn't depend _at all_ on any incentives that the business being
emailed might have.
While I expect you are well aware of this, it still leaves you (and us
here) with the need to perform a more direct investigation to back up
the claim.
Moreover, it is simply not true also to argue that if dnsbls are likely to
be helpful in the latter case because of the incentive argument and a
low complaint rate, this therefore should imply that dnsbls are likely to
be helpful in the former case too.
If they don't tell you your system fucked up with
_all_ the non-spam emails, then you know those users don't actually do
the QA properly. That in turn would give you an apathy level.
Except for upper management which'll start screaming that the spam
filters are broken.
Of course, you really do want to weigh the business benefits of ignorance
versus testing with respect to your clients. There's a risk to the
reputation of your service, which is unreasonable for us to expect you
to take just like that.
--
Laird Breyer.
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