Re: [SLUG] Mail return - what does it mean?

From: Derek Glidden (dglidden@illusionary.com)
Date: Fri Jun 28 2002 - 15:35:16 EDT


On Fri, 2002-06-28 at 15:18, John Oakes wrote:
> ----- Original Message -----
> From: "Smitty" <a.smitty@verizon.net>
> To: <slug@nks.net>
> Sent: Friday, June 28, 2002 2:46 PM
> Subject: [SLUG] Mail return - what does it mean?
>
>
> > Russ, I attempted to send this directly to you and it was returned. Do
> you
> > have something configured on your servers to reject the verizon.net
> domain?
> > Smitty
> >
>
>
> That site, dsbl.org, has the IP 206.46.170.103 blacklisted. IP looks up to
> out003pub.verizon.net. This site has blacklisted a very large ISP's SMTP; I
> highly doubt Verizon permits mail relayed from non-Verizon customers. I'll
> make sure to never use dsbl.org.

A lot of the RBL sites are too fascist for me, particularly a lot of the
ORBS derivatives that take a "guilty unless proven innocent" attitude,
which is why it took me so long to implement anything like that on my
mail server.

However, I've found that the RBL site that SpamAssassin uses, osirusoft
at http://relays.osirusoft.com/ is very fair in what sites get put in.
Only sites that have proven to be chronic abusers get blacklisted.
Sure, that means a few more SPAMs slip through than if I were using a
service that shoots first and asks questions later, but that's why I use
SpamAssassin in conjunction with the DNSBL tools built into sendmail.

Plus, I've kept an eye on the mail logs and I have yet to see an email
coming in and get rejected from a "legitimate" source. All the domains
being blocked are clearly and easily checked as chronic SPAM sources.
I'm much more concerned about accidentally blocking a legitimate email
than I am about receiving an extra SPAM or two a day.

-- 
-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
#!/usr/bin/perl -w
$_='while(read+STDIN,$_,2048){$a=29;$b=73;$c=142;$t=255;@t=map
{$_%16or$t^=$c^=($m=(11,10,116,100,11,122,20,100)[$_/16%8])&110;
$t^=(72,@z=(64,72,$a^=12*($_%16-2?0:$m&17)),$b^=$_%64?12:0,@z)
[$_%8]}(16..271);if((@a=unx"C*",$_)[20]&48){$h=5;$_=unxb24,join
"",@b=map{xB8,unxb8,chr($_^$a[--$h+84])}@ARGV;s/...$/1$&/;$d=
unxV,xb25,$_;$e=256|(ord$b[4])<<9|ord$b[3];$d=$d>>8^($f=$t&($d
>>12^$d>>4^$d^$d/8))<<17,$e=$e>>8^($t&($g=($q=$e>>14&7^$e)^$q*
8^$q<<6))<<9,$_=$t[$_]^(($h>>=8)+=$f+(~$g&$t))for@a[128..$#a]}
print+x"C*",@a}';s/x/pack+/g;eval 

usage: qrpff 153 2 8 105 225 < /mnt/dvd/VOB_FILENAME \ | extract_mpeg2 | mpeg2dec -

http://www.cs.cmu.edu/~dst/DeCSS/Gallery/ http://www.eff.org/ http://www.anti-dmca.org/



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