you could have confirmed yourself that the ip address doesn't have an
associated ptr record:
dig ptr 162.241.141.61.in-addr.arpa
confirming what exim reports. what you decide to do if reverse lookup
fails to give a name is independent of the lookup.
regards
andrew
On 13 Apr 2005, at 21:57, Hongyu Zhang wrote:
> Dear all,
>
> I found some emails without right reverse dns lookup still come
> through into my email box even though I set up exim to do reverse dns
> lookup. Here is an example in the exim log:
>
> 2005-04-13 10:45:37 no host name found for IP address 61.141.241.162
> 2005-04-13 10:46:13 1DLlwH-0003Ae-TI <= asdfg122357@???
> H=(sina.com) [61.141.241.162] P=esmtp S=806
> 2005-04-13 10:46:22 1DLlwL-00040G-Fk <= asdfg122357@??? U=hongyu
> P=local-bsmtp S=1199
> 2005-04-13 10:46:22 1DLlwL-00040G-Fk => <forward@???>
> R=virtual_user T=virtual_userdelivery
>
> This IP address 61.141.241.162, which appeared in the first line of
> the log being errored for no host name, still went on again in the
> second line sending the email to my address forward@???
>
> Here is the line of reverse lookup in /etc/exim.conf
>
> host_lookup = 0.0.0.0/0
>
> Is the reverse dns lookup functioning or not?
>
> Appreciate your help!
>
>
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