Archive: RBL
Classic tech tips filed under RBL.
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Mail Server Rejecting all Messages - Check your Blacklists relays.ordb.org is listing the WORLD
It's unusual for mail servers to suddenly start rejecting messages internally and from external sources. That's exactly what I saw though over the weekend. A mailserver running mdaemon on Windows 200…
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AT&T rbl block inquiry site
First, I guess I should give a primer, what's an RBL? RBL stands for Realtime Black List (or Realtime Block List depending on who you talk to.) The idea is there are machines that either 1) have no b…