Why purchased lists are a big no-no

Over on the DotMailer blog, Lino Freire wrote an excellent piece on why purchased lists are a big no-no.

Thanks James Koons for sharing.

June 2017 in Spamtraps: ESPs

ESP mail seen in spamtraps, June 2017

ESP mail seen in spamtraps, June 2017

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May 2017 in Spamtraps: ESPs

ESP mail seen in spamtraps, May 2017

ESP mail seen in spamtraps, May 2017

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Take #2: B2B Prospecting Spam from IBM

Almost a month after I reported that a salesperson at IBM was sending B2B spam to a scraped or purchased list, the same individual spammed one of those email addresses again. As with this sender’s previous spam, the email was sent from IBM’s corporate mailservers, and specifically from a Lotus Notes system apparently used by their business development team.

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Suomen Markkinointirekisteri Oy on Office 365

Aki Lindell seems to have obtained services from Microsoft.
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Ferratum Oyj, Payday Loans for Businesses and Affiliate Spam

Ferratum Oyj, a Finnish payday loan operator (www, biz reg, responsible people) recently had the smart idea to advertise their business loan services through affiliate spam. This blog entry attempts to document what ensued.

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Snowshoe-like email verification and lead generation services

Many email verification and lead generation services act a lot like snowshoe spammers. They bounce around from host to host, hoping to avoid detection and suspicion caused by their unusual SMTP traffic.

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Clickback MAIL hitting dead/invalid emails

Clickback MAIL has been hitting spam trap with email addresses which have been dead for a very long time (i.e. years) or never valid in any decade. Probably because Clickback doesn’t require pesky things like “Opt-In” or “Confirmed” subscribers but do allow purchased lists and “cold” contacts to be mailed. Seriously this is bad behavior, I wonder why no one has just blacklisted all of Clickback IPs/domains yet?

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Spammers abusing U of MN OIT email servers

Some spammers have been abusing the University of Minnesota OIT email servers for months, up to dozens of attempts per day. Abuse@ and postmaster@ were notified with overwhelming evidence months ago but the spam continues to trickle through.

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Very persistent Finnish B2B spammer: Seolocation Oy (d/b/a Afton Videot)

Seolocation Oy (biz reg, responsible people) are really persistent B2B spammers.

They’re also listed by Suomispam.

$ host -t txt afton.fi.dbl.suomispam.net
afton.fi.dbl.suomispam.net descriptive text "20170411 "
$ host -t txt aftonvideopalvelu.fi.dbl.suomispam.net
aftonvideopalvelu.fi.dbl.suomispam.net descriptive text "20170320 "

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