[80201] in North American Network Operators' Group
Re: Port 25 - Blacklash
daemon@ATHENA.MIT.EDU (Joel Jaeggli)
Wed Apr 27 04:50:29 2005
Date: Wed, 27 Apr 2005 01:47:59 -0700 (PDT)
From: Joel Jaeggli <joelja@darkwing.uoregon.edu>
To: Daniel Golding <dgolding@burtongroup.com>
Cc: Hank Nussbacher <hank@mail.iucc.ac.il>,
Adam Jacob Muller <adam@gotlinux.us>,
Nanog Mailing list <nanog@merit.edu>
In-Reply-To: <BE942FD3.B141%dgolding@burtongroup.com>
Errors-To: owner-nanog@merit.edu
On Tue, 26 Apr 2005, Daniel Golding wrote:
>
>
> 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/
Really smtp-auth will solve it? or do most windows mua's cache your
password?
> - Dan
>
>
> On 4/26/05 2:49 PM, "Hank Nussbacher" <hank@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.
>
>
--
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Joel Jaeggli Unix Consulting joelja@darkwing.uoregon.edu
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