Chris Davies said:

> The only problem here is that most of the cable modems out there have
> valid reverse addresses, and providers don't block outbound port 25
> connections allowing spam to flow freely from cable modems that have
> valid reverse lookups.
>
> Several years back when AT&T's dialup division was a spammer haven, AT&T
> did the right thing and blocked port 25 outbound from dialup ports --
> requiring the spammers to use AT&T's mailhost -- and they could quickly
> identify and terminate the account.  If 2 cable companies did that, it
> would easily quell 40% of the spam that I see.
>
Cox blocks it for their customers.. so there is one cable company.. :)
it's annoying for those of us who need to access external mail machines
since their business tier pricing and features are way out of range of
normal users..

but, I have worked around that.. :)


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