CircleID

Comments

IP Blocklists, Email, and IPv6

• Comment posted Mar 03, 2011 6:44 pm PST — by Pierre Beyssac
  My experience differs. The main problem with spamhaus is that they can stop replying overnight to your SMTP server requests, just based on request rate, without any advance warning. That makes them a very, very, very annoying and dangerous SPOF.…

• Comment posted Mar 03, 2011 5:36 pm PST — by Pierre Beyssac
  I think IP blacklists are now a part of the problem, not the solution. It can hardly be denied that their efficiency is a thing of the past. They don't scale well, introduce obvious SPOFs, are hard and expensive to…

Taking Back the DNS

• Comment posted Aug 26, 2010 1:23 pm PDT — by Pierre Beyssac
  Paul, apparently you want to redo for the DNS what you've done for SMTP 15 years from now. SMTP RBLs have been useful for quite a few years. Let's face it: they are not anymore. Having been on both sides…

Lights Going Out on the Internet? Not Just Yet

• Comment posted Feb 15, 2004 4:39 pm PST — by Pierre Beyssac
  Your colored-envelope analogy is nice but not correct in the way you describe it. There are TWO colors, one on each end. The "first envelope color" and "arbitrary envelope color" negociation you describe do not exist in TCP: the envelope…