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-   -   help with CBL spam rejection (http://www.linux-archive.org/centos/191683-help-cbl-spam-rejection.html)

Jerry Geis 11-11-2008 04:39 PM

help with CBL spam rejection
 
I am getting this error:

----- Transcript of session follows -----
... while talking to mail-in.cbl.abuseat.org.:
>>> DATA
<<< 550 HELO for IP 24.123.23.170 was "unifiedpaging.messagenetsystems.com"
550 5.1.1 <helocheck@cbl.abuseat.org>... User unknown
<<< 503-All RCPT commands were rejected with this error:
<<< 503-HELO for IP 24.123.23.170 was "unifiedpaging.messagenetsystems.com"
<<< 503 Valid RCPT command must precede DATA

when checking my outgoing mail from http://cbl.abuseat.org/helocheck.html


What am I supposed to change on my centos 5 system to no longer be on
the CBL listing.
I have manually remove the entry but something needs to change so it
doesnt get back the list again.


The FAQ's talk about windows not linux. What do I do to change sendmail?

Jerry
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Jerry Geis 11-11-2008 05:17 PM

help with CBL spam rejection
 
Their instructions seem a little convoluted, but if you read through
everything and also try a lookup on your IPnumber (24.123.23.170
<http://24.123.23.170>),

it appears that you were on their list, but were taken off (today).

- Rick

Rick,

Thanks - sure I was the one than manually took me off hte list.

I saw were it said if I dont correct "Something" I'll be back on the list.
I'm trying to figure out want "Something" is.

Jerry

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Ralph Angenendt 11-11-2008 06:11 PM

help with CBL spam rejection
 
Jerry Geis wrote:
> I saw were it said if I dont correct "Something" I'll be back on the list.
> I'm trying to figure out want "Something" is.

Not sending mail should do the trick. Our server was in CBL because it had
the string "oemcomputer" in the HELO.

F*cking despammers.

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Scott Silva 11-14-2008 06:49 PM

help with CBL spam rejection
 
on 11-11-2008 11:11 AM Ralph Angenendt spake the following:
> Jerry Geis wrote:
>> I saw were it said if I dont correct "Something" I'll be back on the list.
>> I'm trying to figure out want "Something" is.
>
> Not sending mail should do the trick. Our server was in CBL because it had
> the string "oemcomputer" in the HELO.
>
> F*cking despammers.
>
Was it the string that caused it, or HELO'ing without a FQDN?


--
MailScanner is like deodorant...
You hope everybody uses it, and
you notice quickly if they don't!!!!

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Ralph Angenendt 11-17-2008 09:24 AM

help with CBL spam rejection
 
Scott Silva wrote:
> on 11-11-2008 11:11 AM Ralph Angenendt spake the following:
> > Jerry Geis wrote:
> >> I saw were it said if I dont correct "Something" I'll be back on the list.
> >> I'm trying to figure out want "Something" is.
> >
> > Not sending mail should do the trick. Our server was in CBL because it had
> > the string "oemcomputer" in the HELO.
> >
> > F*cking despammers.
> >
> Was it the string that caused it, or HELO'ing without a FQDN?

It was the HELO string "oemcomputer.example.com" (with - obviously - the
correct domain there instead of example.com).

The reasoning was that OEMCOMPUTER is used by many spammers in HELO
(well, it was a tad more detailed, but not much). I hope the spammers do
start using MAILOUT or MX or MAIL soon.

Ralph
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