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Reply | Forward Message #85775 of 85778 |
Re: [exim] Why the dodgy HELOs?

On Thursday 06 October 2005 21:43, Alan J. Flavell wrote:
> On Thu, 6 Oct 2005, Adam Funk wrote:
> > I still don't understand the spammers' motivation for this -- it
> > doesn't seem difficult to reject obviously dodgy HELOs.
>
> Quite a number of times, I've mused over the question of whether
> there's a kind of spammer who deliberately feeds an early clue, so
> that they don't waste too much effort on mail admins who are going to
> reject their spam somewhere in the course of the transaction anyway.

Interesting idea. I suppose even they recognise limitations on their
resources.

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Fri Oct 7, 2005 6:55 pm

adam00f@...
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... Quite a number of times, I've mused over the question of whether there's a kind of spammer who deliberately feeds an early clue, so that they don't waste...
Alan J. Flavell
a.flavell@...
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Oct 6, 2005
8:46 pm

... Interesting idea. I suppose even they recognise limitations on their resources. -- ## List details at http://www.exim.org/mailman/listinfo/exim-users ##...
Adam Funk
adam00f@...
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Oct 7, 2005
6:57 pm

... So if I'd send a message to ymmv.de@... it would be rejected? As you said, that's a little agressive. My example is not that unlikely. I often use...
Jakob Hirsch
jh@...
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Oct 7, 2005
2:03 am

... Yes, because that's an invalid recipient. ... No, it is a very reliable check. Tony. -- <fanf@...> <dot@...> http://dotat.at/ ${sg{\N${sg{\...
Tony Finch
dot@...
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Oct 7, 2005
10:50 am

... It will be perfect as long as you don't allow your local parts to match FQDNs. If they don't have dots in, you should be fine. Even if you do allow them to...
Ian Eiloart
iane@...
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Oct 7, 2005
11:17 am

... My mistake. We delay in HELO phase only for an unverifiable HELO/EHLO. We delay in the connect phase if the rDNS is unverifiable. :) M -- Michael F....
Michael Sprague
mfs@...
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Oct 6, 2005
4:09 pm
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