Incidents
Re: ***SPAM*** Re: Massive SPAM Increase {-2.6} {-2.6} Oct 16 2006 06:29AM
Paul Schmehl (pauls utdallas edu) (2 replies)
--On October 13, 2006 10:46:34 PM -0400 Valdis.Kletnieks (at) vt (dot) edu [email concealed] wrote:

> On Mon, 09 Oct 2006 13:33:12 CDT, Paul Schmehl said:
>
> (Digging out from a long week of other stuff, sorry for the late
> response)
>
>> Its purpose is to reject *all* mail from bogus MTAs - dialups,
>> misconifigured servers, MTAs that aren't registered in the domains' DNS
>> as a "legal" MX, MTAs that don't reverse properly, etc., etc. If the
>> email is
>
> "mta that aren't registered in the DNS as a "legal" MX" - tell me Paul,
> how does that work with any site that's big enough that they run split
> inbound MX and outbound servers?
>
Send me an email at geek (at) stovebolt (dot) com [email concealed], and I'll tell you.

I'm not sure what you mean by "split inbound and outbound", but any
outbound MX host *should* be listed in DNS. You only list one -
smtp.vt.edu. 192.82.162.213 is reversible, so it would get points for
being honest about its IP/hostname, but it would lose points for not being
listed in DNS as an MX. The overall score would determine if the mail was
rejected, but I doubt that it would be.

Easy enough to tell. Send me mail.

Paul Schmehl (pauls (at) utdallas (dot) edu [email concealed])
Adjunct Information Security Officer
The University of Texas at Dallas
http://www.utdallas.edu/ir/security/

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wÛ te--ONOCTOBER13,200610:46:34PM-0400VALDISKLETNIEKS@
VTEDUWROTE:ONMON,09OCT200613:33:12CDT,PAULSCHMEHLSA9<20061016062956.
A02A4342543 (at) outgoing2.securityfocus (dot) com [email concealed]>b¦------------------------------
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[ reply ]
Re: Massive SPAM Increase {-2.6} {-2.6} Oct 17 2006 01:26AM
Steve Friedl (steve unixwiz net)
Re: ***SPAM*** Re: Massive SPAM Increase {-2.6} {-2.6} Oct 16 2006 02:04PM
Valdis Kletnieks vt edu (1 replies)
Re: ***SPAM*** Re: Massive SPAM Increase {-2.6} {-2.6} Oct 17 2006 02:34PM
Rich Hart (wizkid wizkid com)


 

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