On Tue, 10 Apr 2007, alan wrote:

quoted text
> 
> On Tue, 11 Apr 2007, Christer Weinigel wrote:
>
>> Linus Torvalds <torvalds@linux-foundation.org> writes:
>> 
>>> It's also possible to just not accept mail if the reverse lookup indicates
>>> that the sending IP address is a dynamic address, which you can sometimes
>>> see from the hostname. I would suggest you *not* name your hosts to
>>> contain a lot of numbers and the string "dhcp", for example ;)
>> 
>> That would be a very bad idea I think.  Doing that would lose quite a
>> lot of small companies and individuals such as me that run a mail
>> server but are unable to get the ISP to change the reverse DNS.  For
>> example I do have a fixed IP, but have an reverse DNS pointer which
>> looks like 1-2-3-4-5a.foo.bar.bostream.se.
>
> I am in the same situation.  I also have three domains.  Which one do I pick? 
> I can't afford to get an individual ip address for each.  Virtual servers on 
> a single ip also will have similar problems.

this isn't a problem. as long as you can lookup 1-2-3-4-5a.foo.bar.bostream.se. 
and get your IP address you pass this test.

David Lang
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