[Lilux-help] port 25 blocking by ISPs

Patrick Kaell sparc at kayoon.net
Thu Jul 1 22:19:28 CEST 2004


> a while back, we had quite some discussion about blocking of port 25
> traffic by ISPs.
> 
> If you look at last night's Slashdot article "Comcast Port 25 Blocks
> Result In Less Spam", I guess you'll understand better why ISPs do
> such a thing - and that it is indeed a good thing (tm).

It might be a good practice to read at least the summary of the article 
you are referring to. Additionally posting the URL would be a good idea, 
so that the list members can also read the article.

It says:

[ they decided to identify spammers and zombie relays on their network 
and block port 25 traffic from those IP addresses ]

So, they block only the spammers and zombie relays and *not* EVERYBODY!

Here is the URL of the slashdot article:
http://yro.slashdot.org/article.pl?sid=04/06/30/1759209&mode=thread&tid=111&tid=126&tid=95

Imagine the police arresting *every* honest citizen, only because there 
might be criminals amongst them ;-)



Patrick Kaell



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