On Fri, 15 Mar 2002, Christopher Mende wrote:
>
> Hey all,
>
> I've tried a couple different approaches, and have also searched the archives
> as well as Google to no avail.
>
> My goal is to allow incoming (not relay) mail from hosts who's IPs fail
> lookup. Iunderstand the security issue, but it seems too many emails have been missed
> or bounced back from other systems not correctly config'd. I've decided I'd
> rather not miss those and take a risk instead. *sigh*
Erm, this is the default, unless you've specifically configured exim to
reject hosts with no (or mismatching) reverse lookup..
You have to make sure that any hosts-based rejections you do list only
IP addresses (or optionally, use the +allow_unknown option)..
>
> Example reject log message:
>
> 2002-03-15 11:24:37 recipients from [1.1.1.1] refused (failed to find host
> name from IP address)
>
> I'm running Exim 3.33 on Linux.
>
> What options do I need to set to allow mail for users on my system from other
> systems that fail DNS lookup?
>
> Thanks all! Appreciate ANY input...
>
> ~C
>
>
>
>
> --
>
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>
>
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