> On 19 Sep 2016, at 22:57, Gavin Henry <ghe...@suretec.co.uk> wrote:
> Anybody else had 3 emails from them today?

Their "pitch" for leasing them address space suggests that we would be able to 
block port 25 outbound if their customer announced that leased address space.  
And then in the next paragraph, "oh and to preserve your IPv4 blocks' 
reputation, we'll make sure they filter port 25 on their routers".

As these came to our abuse address, I believe the correct response would be for 
us to deal with the "problem" with extreme prejudice.

Zzz,

Marek Isalski
https://faelix.net/


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