From: <[EMAIL PROTECTED]> > spamcop.net > njabl.org > spamhaus.org > ordb.org > > recently took a lot of heat for using sorbs.net
As a person for whom the concept of DNS based blackholes is a little troublesome I note it would not be wise for someone with corporate customers to use a black hole that could affect a whole ISP when one of the ISPs users goes off the wall perhaps due to a virus infection. Recently dsbl blocked a whole Earthlink smtp server as a spam relay leading to, no doubt, an incredible number of false positive rejections, including some of my email to this list. (Not that I usually have that much truly profound to contribute. I note that I share the same connection with one of the SARE ninjas, though. His OE was by happenstance connected to a different mail server so they got through. That might not always be true.) Anything that blocks at the MTA level must he very well thought out and ninja sword sharp in its application. I'm not sure the BLs the folks contributing to the thread cite are all that razor sharp. In fact dsbl seems to be a well meaning dulled butter knife, for example. It might be good for scoring purposes. I'd not recommend a dulled butter knife as an outright blocking tool. For personal use, of course, ymmv quite greatly. {^_^}