On Sep 2, 2010, at 8:54 PM, Patrick W. Gilmore wrote:

> On Sep 2, 2010, at 11:48 PM, Owen DeLong wrote:
> 
>> We should be seeking to stop damaging the network for ineffective anti spam 
>> measures (blocking outbound 25 for example) rather than to expand this 
>> practice to bidirectional brokenness.
> 
> Since at least part of your premise ('ineffective anti-spam measures') has 
> been objectively proven false to fact for many years, I guess we can ignore 
> the rest of your note.
> 
Really?  So, since so many ISPs are blocking port 25, there's lots less spam 
hitting our networks?
That's really news to me... I'm still seeing an ever increasing number of 
attempts to deliver spam on my mailservers.

I'd say that it has been pretty ineffective.

> Also, just so everyone doesn't think I'm in favor of "damaging" the network, 
> I would much prefer a completely open 'Net.  Who wouldn't?  Since that is not 
> possible, we have to do what we can to damage the network as little as 
> possible.  Port 25 blocking is completely unnoticeable to something on the 
> order of 5-nines worth of users, and the rest should know how to get around 
> it with a minimum of fuss (including things like "ask your provider to 
> unblock" in many cases).
> 
Not really true. First, i dispute your 5-nines figure, second, yes, i can 
usually get around it, but seems each network requires a different workaround. 
Since, like many of us, I use a lot of transient networks, having to 
reconfigure for each unique set of brokenness is actually wasting more of my 
time than the spam this brokenness was alleged to prevent.

I suppose I should just shut up and run an instance of my SMTP daemon on port 
80. After all, since IPv4 addresses are so abundant, rather than use port 
numbers for services, let's use IP addresses and force everything to ports 80 
and 443.

Owen


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