Re: [Exim] Accepting mail from hosts with no reverse DNS

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Autor: Nico van der Dussen
Datum:  
To: exim-users
Betreff: Re: [Exim] Accepting mail from hosts with no reverse DNS
Hi,

I did the exim -h and got the following results:

hoof:/usr/exim/bin # ./exim -bh 196.26.82.66

**** SMTP testing session as if from host 196.26.82.66
**** Not for real!

>>> host in host_lookup? yes (*)
>>> looking up host name for 196.26.82.66
>>> IP address lookup failed
>>> host in host_reject? yes (failed to find host name or lookup

deferred)
LOG: connection from [196.26.82.66] refused (failed to find host name
from IP address)
554 SMTP service not available (failed to find host name from IP
address)


Also: It does not happen until I add the following line to the
configuration to block a problem spammer:

host_reject = 207.33.16.56 : 207.33.16.100 : *.mb00.net : *.topica.com

Regards

Nico




On 18 Jun 2002 at 21:49, Philip Hazel wrote:

> On Tue, 18 Jun 2002, Greg Ward wrote:
>
> > > 2002-06-18 07:37:32 connection from [196.26.82.66] refused (failed
> > > to find host name from IP address)
> >
> > That is *not* the reason the connection was refused -- Exim is just
> > telling you why it only logged the IP address, and no name.
> >
> > Are there any other adjacent log entries? They might tell you why
> > the connection was refused.
>
> Or use the -bh option (possibly with additional debugging) to find out
> why Exim is refusing the connection.
>
> --
> Philip Hazel            University of Cambridge Computing Service,
> ph10@???      Cambridge, England. Phone: +44 1223 334714.

>
>
> --
>
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