On Sun, 17 Jun 2007, Marc Perkel wrote:

> Shane Williams wrote:
>>
>> Here's the "failed for the last 4 hours" message...
>>
>> ----- Transcript of session follows -----
>> ... while talking to mx.junkemailfilter.com.:
>> <<< 550-REJECTED - 70.112.27.10 is blacklisted at
>> hostkarma.junkemailfilter.com
>> <<< 550 (127.0.0.2); 70.112.27.10
>> ... while talking to mx.junkemailfilter.net.:
>> <<< 550-REJECTED - 70.112.27.10 is blacklisted at
>> hostkarma.junkemailfilter.com
>> <<< 550 (127.0.0.2); 70.112.27.10
>> ... while talking to mx.junkemailfilter.org.:
>> <<< 451 Temporary local problem - please try later
>> ... while talking to dummy1.junkemailfilter.com.:
>> <<< 451 Temporary local problem - please try later
>> ... while talking to dummy2.junkemailfilter.com.:
>> <<< 451 Temporary local problem - please try later
>> ... while talking to dummy3.junkemailfilter.com.:
>> <<< 451 Temporary local problem - please try later
>> ... while talking to dummy4.junkemailfilter.com.:
>> <<< 451 Temporary local problem - please try later
>> ... Deferred: 451 Temporary local problem - please
>> try later

>
> ok - that's a different IP and that IP is blocked on my list and 4 other
> lists. Based on your logs it doesn't look like it give up after a 550 error.
> I think you have a spam problem.


This is a personal mail server, so I know exactly who sends mail on
it, and "we" don't have a spam problem (unless you mean all the spam
we're fighting to keep out). Of course, since it's a dynamic address,
I can't be certain that other users of this address haven't sent spam,
but as others have pointed out, the only other blacklists 70.112.27.10
is listed on are dynamic or dialup lists only, so there's no
indication that it's been a previous spam source.

So, unless you're intending to block dynamic IPs as part of your
method, I'd say this is a false-positive situation.

--
Public key #7BBC68D9 at | Shane Williams
http://pgp.mit.edu/ | System Admin - UT iSchool
=----------------------------------+-------------------------------
All syllogisms contain three lines | shanew@shanew.net
Therefore this is not a syllogism | www.ischool.utexas.edu/~shanew