Port 25 - Blacklash

Tue Apr 26 21:50:11 UTC 2005

Do all of Comcast's markets block port 25? Is there a correlation between
spam volume and the ones that do (or don't)?

In any event the malware is already ahead of port 25 blocking and is
leveraging ISP smarthosting. SMTP-Auth is the pill to ease this pain/

- Dan

On 4/26/05 2:49 PM, "Hank Nussbacher" <hank at mail.iucc.ac.il> wrote:

> 
> On Tue, 26 Apr 2005, Adam Jacob Muller wrote:
> 
> Doesn't seem to be stemming the tide of emails from Comcast though:
> 
<http://www.senderbase.org/?searchBy=organization&searchString=Comcast%20Cable>
>
> 
> -Hank
> 
>> For example, about 2 months ago, comcast decided to block outgoing
>> port 25 from my entire neighborhood. I called comcast, and while
>> sitting on hold I had the idea to setup a ssh tunnel to a machine at
>> work and viola problem solved before anyone from comcast even
>> answered the phone.