Why I hate RBLs

Friday, 18 May 2007, 3:38 PM EST

I hate real-time block lists (RBLs). I really do. I don’t think there is an administrator or a PC technician that hasn’t cussed them out at one time or another.

RBLs are a crude but simple tool invented to help reduce e-mail spam. Essentially, an RBL is a roster of DNS domains, fully qualified host names, or IP addresses that have been known to send large quantities of spam. RBL-enabled defense tools can implement RBLs and use them to reject e-mail from any computer or sender on the list.

At InfoWorld.

[ Read more ]




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