Re: [Exim] [sleclerc@actionweb.fr: Bug#119747: Problem with …

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Author: Stephane Leclerc
Date:  
To: exim-users
Subject: Re: [Exim] [sleclerc@actionweb.fr: Bug#119747: Problem with host_reject_recipients and mysql]
>> Message from 1.2.3.4 -> host_reject_recipients (1.2.3.4, ns.netkobe.gr.jp)
>>                       -> refused

>>
>> With +allow_unknown, it should pass the test. Or in fact, no.
>
> +allow_unknown is confusing in Exim 3. (I think it even confused me in
> my previous answer.)
>
> Without +allow_unkown, Exim denies access if it can't find a host name
> when it needs one. So in the case of an option that denies, such as
> host_reject_recipients, you do NOT want to set +allow_unknown if you
> want to reject recipients without reverse DNS.
>
> I'll repeat it just to be sure: +allow_unknown does NOT mean "include
> unknown in this set of hosts". It DOES mean "allow access for unknown".


Hi Philip!

Realy sorry but I still do not understand.


Without +allow_host:
1.2.3.4 is in the host_reject_recipients and lookup_host is unset.

>>> looking up host name for 1.2.3.4
>>> IP address lookup failed
>>> host in host_reject_recipients? yes (failed to find host name or lookup

deferred)
LOG: recipients from [1.2.3.4] refused (failed to find host name from IP
address)


Without +allow_host:
1.2.3.5 is not in the host_reject_recipients and lookup_host is unset.

>>> looking up host name for 1.2.3.5
>>> IP address lookup failed
>>> host in host_reject_recipients? yes (failed to find host name or lookup

deferred)
LOG: recipients from [1.2.3.5] refused (failed to find host name from IP
address)


With +allow_host:
1.2.3.4 is in the host_reject_recipients and lookup_host is unset.

>>> looking up host name for 1.2.3.4
>>> IP address lookup failed
>>> host in host_reject_recipients? no (failed to find host name or lookup

deferred)

How to have the system working?

I don't want host_lookup and I want to refuse hosts in the list.

I'm completly lost.

Stef...



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