I was recently pointed out the FBL support pages for those feedback loops hosted by ReturnPath. Clicking around, they have the framework and the beginnings of a good source of information for their services. You can also open support tickets for questions and services that are not covered in their knowledge base.
My mailbox and IM windows have been swamped with messages about an ISP sending out mail to participants in their FBL program. It seems this particular ISP could use some delivery consulting.
See, this ISP sent out emails with blocks of 50 – 75 email addresses in the To: line. Bad idea. Delivery wise, I do not expect that they had many delivery problems. In the copy I saw, most of the addresses started with “support” and those addresses often have fewer blocks on them than other addresses. I also do not think this ISP will see subscriber emails blocked because of this.
However, it is very, very bad practice to do what they did. And the fact that the ISP can get away with it does not mean that any other mailer can get away with it.
When I posted my initial cut of the ISP information page earlier this year, there was a comment asking about a Verizon FBL. At that time, I talked to some of the people-who-would-know over at Verizon and asked if they do have a FBL. The answer was a definite no.
For some reason, though, I continue to receive questions about the Verizon FBL. Based on the questions, the best I can extrapolate is that there is an ESP out there, somewhere, that states they have a Verizon FBL. It is possible, albeit unlikely, that they have a special agreement with Verizon. However, there is no generally available Verizon FBL.
If Verizon does make a FBL widely available, I will mention it here and update the ISP information page with the data. Until then, be very cautious with claims that there is a Verizon FBL.
Roadrunner shifted the release date for their new FBL to December 14th.
Despite rumors, the Yahoo FBL is not actually accepting new participants.