Netprospex: "Verified," really?

Peter Seebach reports on spam he received from Netprospex, and how their lists might not be as "verified" as claimed. (Also note my previous post on bad advice from Netprospex, and feedback and opinions from others.)

ESPs being targeted

Laura Atkins writes, "There has been an ongoing, concerted attack against ESPs recently. Today ReturnPath published some of what is known about the attack."