Re: [Exim] Verisign pulls a fast one

On Wed, 17 Sep 2003, Philip Hazel wrote:

| There is some bitwise support in 4.21, but it doesn't do quite what you
| want, unfortunately.
|
| dnslist = rbl.example&127.0.0.0
|
| it true if all the bits in the mask are present in the address.

Right - thanks.

This is close enough - AIUI this test requires the response to be in
either 127/8 or 255/8 which I would think is a reasonable sanity check.

( no registry is going to point embezzled domains at those ranges ! )