On Tue, 21 Oct 1997, Philip Hazel wrote:
> On Tue, 21 Oct 1997, Alan Thew wrote:
>
> > What are people's experiences, especially at large sites where it's not
> > always possibly just to block anyone or drop mail on the floor, like
> > Universities....?
>
> I've been blocking MAIL FROM addresses that fail to resolve for over 5
> years - long before I started to write Exim. However, it has never been
> acceptable here to drop mail on the floor.
Bad choice of works.. it's not acceptable here either.
>
> > mail from:<user@badly_configured_mta.com>
>
> *should* be rejected, IMHO, because doing so avoids more problems in the
> long run. If you accept such addresses and your user replies, *your*
> postmaster gets bothered when it doesn't work. If you reject it in the
> first place, then postmaster@badly_configured_mta.com gets bothered by
> the sending user, which is as it should be!
There's no problem as far as _I'm_ concerned here but things are not
always so simple...
sender_verify_fixup
and
sender_verify_except_nets
look as if I could be a _liitle_ more er... `gentle' with these bad
sites...
>
> [Of course, things don't always work out like that. What often happens
> is that sender phones up receiver and says "I can't get mail to you;
> what's wrong with your site?", so your postmaster gets bothered anyway.
> Sigh.]
>
Yep.
Alan Thew
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