On Sun, Mar 1, 2015 at 5:53 PM, Owen DeLong <[email protected]> wrote: > >> On Mar 1, 2015, at 14:01 , John R. Levine <[email protected]> wrote: >> >>>>>> Well, actually, it does. Every broadband network in the US >>>>>> currently blocks outgoing port 25 connections from retail customers. >>>>> >>>>> Unfortunately, that's not entirely true. (Very) recent direct-to-MX spam >>>>> from Comcast customers: >>>> >>>> Well, it's supposed to be blocked, according to people I've talked to >>>> at Comcast and T-W as recently as a week ago. I can believe that they >>>> have configuration problems on a networks of that size. >>> >>> fairly certain that none of these folk block port 25 on their business >>> customer links. >> >> As I said above, retail customers. Business customers get static IPs and >> generaly no blocking. >> >> R's, >> John > > Business customers only get static from Comcast if they pay extra for it.
I still keep hoping for some way to buy an ipv6/48 from them. Being dynamically renumbered all the time is a PITA, and yet, when comcast's ipv6 works - it is GREAT. I had huge amounts of nat pressure from dns traffic simply vanish once I switched my dns servers over to their ipv6 (and deployed dnssec and got back NXDOMAIN) > > Owen > -- Dave Täht Let's make wifi fast, less jittery and reliable again! https://plus.google.com/u/0/107942175615993706558/posts/TVX3o84jjmb
