The End-To-End Internet (was Re: Blocking MX query)

John Levine johnl at
Thu Sep 6 08:12:29 UTC 2012

>My idealistic preference would be the ISP allows outbound port 25,
>but  are highly responsive to abuse complaints;

My idealistic preference is that ISPs not let their botted customers
fill everyone's inbox with garbage.

Why do you think that blocking port 25 precludes logging what they
block, and dealing with customers whose traffic shows that they're


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