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RE: Re: "extreme SPF" scenario for ISPs

2004-02-03 16:55:18
On Tue, 3 Feb 2004, Dustin D. Trammell wrote:

David Brodbeck wrote:
Ironically, Comcast *already* blocks port 25, but only incoming.  They
don't want their customers running their own mail servers.

You sure about that?  I use Comcast at home with a dynamic address, and
my firewall gets hit 24/7 with incoming SMTP on port 25.  Of course I
get that much traffic because I run a spam honeypot, but it's definitely
not blocked.

It's not blocked between different hosts on the same segment, but it was
blocked from the outside world last I checked.  A friend of mine wanted to
run a mail server on his Comcast connection and couldn't for that reason.
It's possible this varies from one area to another, though.

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