Arrogant RBL list maintainers
jbates at brightok.net
Wed Dec 16 09:32:37 CST 2009
Valdis.Kletnieks at vt.edu wrote:
> When the hostname at that IP address is exactly one incremented character
> different than the preceding address, and one decremented character different
> than the following address, and that pattern holds across a /24, they're
> probably not mail servers. Nobody has 256 'frzzmabs-1'..'frzzzmabs-256'
> servers in the same /24 for *anything* user-facing.
Mental note, don't setup 253 generic servers in the same /24 for dynamic
allocation and usage by the load balancers and proxy servers.
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