Blocking MX query

Suresh Ramasubramanian ops.lists at
Tue Sep 4 10:24:11 UTC 2012

On Tue, Sep 4, 2012 at 3:48 PM, Ibrahim <ibrahim1 at> wrote:
> Not block, but we use DNS transparent proxy mechanism. We need to do this
> as our government request all ISP to block porn sites  :-)

Plenty of ways to work around that actually.  This stops random people
from accessing porn sites but you are not likely to see spammers or
bots get deterred too much by this mechanism.  Still it does come in
useful as part of a larger walled garden strategy.

Suresh Ramasubramanian (ops.lists at

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