I'm a bit late to the discussion, but I've seen cases where a legitimate domain
name will expire and be converted to a spam trap within a week. Then the
original domain owner will renew it before it goes back to the registry, and it
will point back to its pre-expiry MX records.
In the worst examples I've seen, the domain went from a legitimate mail server
to a trap network in the same day, with no time for bounces in between.
List cleaning can certainly be used by unscrupulous marketers, and I'm opposed
to that use of it. On the other hand, what should we tell a good marketer who
is sending to confirmed, engaged addresses that have converted into traps
From: mailop <mailop-boun...@mailop.org> on behalf of Brett Schenker
Sent: Wednesday, March 7, 2018 11:41:55 AM
To: Aaron C. de Bruyn via mailop
Subject: Re: [mailop] Hat color of list washers / validators
I work in the nonprofit/political space and while I can see uses to make sure
offline email list building (think people on a corner asking you to sign
up/sign a petition) has had the addresses typed in correctly, list
washing/validating is unfortunately being used by more orgs and campaigns as a
way to scrub their list instead of spending time and looking at engagement
instead. They think it'll get rid of spam traps and they can keep sending to
the unengaged portion of their list.
The habit seems to be driven by consultants in the space but I also know
there's a lot of these services that have approached me offering kickbacks, I
mean affiliate status so that we can profit off of the use.
It's a hard uphill battle against this.
On Wed, Mar 7, 2018 at 12:20 PM, Steve Atkins
>> Also, if I'm not mistaking, list-validation services are mainly targeting
>> online businesses, so even if the there might be legit cases, I doubt the
>> biggest part of their revenues is.
> I'm not really familiar with their revenue model but I do know that for
> some of them, spammers and rogue marketers absolutely do not make up the
> majority of their client base, if at all.
They don't describe themselves that way, for sure. But the business model
is to take lists of email addresses of variable quality, then to wash those
through a validation service, then send to them through an ESP.
The only value of the validation service here is to hide the quality and
provenance of the list from the ESP. It doesn't change anything else.
That's typically behaviour from a marketer who doesn't think the ESP
would continue to work with them if they saw the quality of their lists.
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