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The Sunday 2007-03-04 at 10:49 +0100, Sandy Drobic wrote:
> Carlos E. R. wrote:
>
> >> I see a lot of regular servers announcing themselves as "mail.intranet" or
> >> "exchange.local" and the like.
> >
> > Well, what I'm bothered is receiving email from my ISP boxes with false
> > envelope from.I don't understand why they don't check it. My postfix
> > doesn't accept it, so fetchmail leaves it there - but it doesn't delete
> > them either: a dns failure can be temporary, so mail is not rejected
> > finally, but given a "try later". That's how it should be, but... it means
> > I have to go and delete them manually from the boxes. I might be better
> > off by accepting them and letting spamassassin take care of those...
>
> Policy decision. In our company I also use "reject_unknown_sender_domain",
> but I doubt that I would use it on an ISP mailserver. The best case would
> be to offer several classes of anti-spam measures and let the customer
> decide which one to choose.
Why not on an ISP? Resources? I'm curious... if you convince me, I'll stop
being mad at them ;-)
So far, I have never received a good email from a bad sender domain, all
of them are spam.
- --
Cheers,
Carlos E. R.
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