Re: [exim] Quick and Dirty RDNS testing

Martin A. Brooks wrote:
> Marc Perkel wrote:
>> I'm not real good at this but I whipped up this little PHP script to
>> test RDNS.
>>
>> http://www.junkemailfilter.com/rdns.php
>>
>> If anyone is interested in improving this I'll post the source and
>> someone can make it better.
>
> That's impressive overkill. Most UNIX users will be able to do "host
> 1.2.3.4" or "nslookup 1.2.3.4".
>

I don't see it as overkill because it verifies that the RDNS matches the
original IP.