On Tue, 10 Apr 2007, alan wrote:
On Tue, 11 Apr 2007, Christer Weinigel wrote:
Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx> 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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