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Incidents
Massive SPAM Increase Oct 06 2006 11:02PM Alex (incidents alex gotdns org) (2 replies) Re: Massive SPAM Increase Oct 08 2006 09:30PM Kurt Seifried (bt seifried org) (1 replies) Re: Massive SPAM Increase {-2.6} Oct 09 2006 01:15AM Vini Engel (vini fugspbr org) (1 replies) Re: Massive SPAM Increase {-2.6} Oct 09 2006 04:06AM Kurt Seifried (bt seifried org) (1 replies) Re: Massive SPAM Increase {-2.6} {-2.6} Oct 09 2006 05:06AM Vini Engel (vini fugspbr org) (1 replies) Re: Massive SPAM Increase {-2.6} {-2.6} Oct 09 2006 06:33PM Paul Schmehl (pauls utdallas edu) (3 replies) Re: Massive SPAM Increase {-2.6} {-2.6} Oct 14 2006 02:46AM Valdis Kletnieks vt edu (1 replies) Re: ***SPAM*** Re: Massive SPAM Increase {-2.6} {-2.6} Oct 14 2006 03:52AM Paul Schmehl (pauls utdallas edu) (3 replies) Re: ***SPAM*** Re: Massive SPAM Increase {-2.6} {-2.6} Oct 16 2006 05:04PM benfell raven cybernude org (2 replies) Re: ***SPAM*** Re: Massive SPAM Increase {-2.6} {-2.6} Oct 16 2006 05:38PM Paul Schmehl (pauls utdallas edu) (1 replies) Re: ***SPAM*** Re: Massive SPAM Increase {-2.6} {-2.6} Oct 17 2006 01:44AM gabriel rosenkoetter (gr eclipsed net) Re: ***SPAM*** Re: Massive SPAM Increase {-2.6} {-2.6} Oct 14 2006 05:44AM Valdis Kletnieks vt edu (1 replies) Re: ***SPAM*** Re: ***SPAM*** Re: Massive SPAM Increase {-2.6} {-2.6} Oct 14 2006 05:17PM Paul Schmehl (pauls utdallas edu) (2 replies) Re: ***SPAM*** Re: ***SPAM*** Re: Massive SPAM Increase {-2.6} {-2.6} Oct 17 2006 01:59AM Dude VanWinkle (dudevanwinkle gmail com) Re: Massive SPAM Increase {-2.6} {-2.6} Oct 09 2006 11:09PM Graeme Fowler (G E Fowler lboro ac uk) (1 replies) Re: Re: Massive SPAM Increase {-2.6} {-2.6} Oct 09 2006 11:43PM Luke Burton (luke burton echidna id au) (1 replies) Re: Massive SPAM Increase {-2.6} {-2.6} Oct 09 2006 09:29PM Tim (tim-forensics sentinelchicken org) (2 replies) Re: Massive SPAM Increase {-2.6} {-2.6} Oct 09 2006 10:33PM Paul Schmehl (pauls utdallas edu) (2 replies) Re: Massive SPAM Increase {-2.6} {-2.6} Oct 09 2006 10:47PM Nathaniel Hall (nathaniel d hall gmail com) Re: Massive SPAM Increase {-2.6} {-2.6} Oct 09 2006 10:28PM Brent Kearney (brent kearneys ca) (1 replies) |
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Privacy Statement |
> --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.
Hi Paul,
For example, my old uni used to send outgoing mail from
its-mail1.massey.ac.nz, but MXs are mu-relay{1,2}.massey.ac.nz. The
only place that its-mail1 gets mentioned in the DNS is in the SPF
record, not MX. Presumably that's what you meant by 'outbound MX
host'?
cheers,
Jamie
--
Jamie Riden, CISSP / jamesr (at) europe (dot) com [email concealed] / jamie.riden (at) gmail (dot) com [email concealed]
NZ Honeynet project - http://www.nz-honeynet.org/
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