[Mailman-Users] Trouble with mailman external responses

Barry Warsaw barry at python.org
Thu Mar 8 00:54:13 CET 2007


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On Mar 7, 2007, at 4:08 PM, vancleef at lostwells.net wrote:

> Barry, I'm going to disagree with you on this one.  Virtually all of
> the spam that gets through the various filters on my box comes from
> big-service dynamic IP's right here in the US.

Hi Hank,

I don't disagree, except to point out that no-reverse-dns <> dynamic  
IP (or clueless owner :).  I'm still trying to get my ISP to provide  
reverse-dns for my static IP address, for which I pay $19.95/mo  
extra.  I don't have many other options except to move to a CoLo,  
which I'd rather not do.

I recognize that there's no good way for an MTA to determine what's  
truly a dynamic IP address, and that for the money I'm spending, my  
ISP really should give me a way to set up my reverse.  I guess either  
are as likely to happen as a certain operating system vendor fixing  
all their deployed units so that botnets are impossible. :/

- -Barry

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