hi pierre,

unfortunately this is not true. I get the same messages even though I
have a registered domain for my box 213.47.198.91:

------CUT------
% host 213.47.198.91
% 91.198.47.213.in-addr.arpa domain name pointer
chello213047198091.tirol.chello.at
------CUT------

the main problem here is that this does not show my real domain name but
the primary DNS-entry for my hosts IP.

if you make a lookup on my domain, it resolves perfectly to my IP.
------CUT------
% host vibe.ac
% vibe.ac has address 213.47.198.91
------CUT------

obviously sympa/postfix on smtp.mandrax.org is not very nicely
configured to only check for the IP but not for the domain-name ...

Udo

Am Don, 2002-05-02 um 23.36 schrieb Pierre Fortin:
> > How can I fix this? I need smtp.mandrax.org to be able to determine my
> > host name.
> 
> You need a registered name to go with the IP address you are using; then,
> the name your postfix claims to be must match.  The gist of the problem is
> this:  your postfix connects to smtp.mandrax.org and identifies itself,
> say as foo.bar.com...  a few packets back and forth and smtp.mandrax.org
> checks with DNS to see if your IP address matches the claimed host
> (foo.bar.com).  If the reverse DNS lookup fails or doesn't match; your
> connection is denied.
> 
> Just because you can be reached as foo.bar.com is not enough, your IP
> address has to return foo.bar.com...
> 
> Using the headers in your post:
> > Received: from jason ([24.157.184.123]) by
> >     fep02-mail.bloor.is.net.cable.rogers.com
> 
> First, "jason" is not a fully-qualified name and definitely not in the
> global DNS.
> 
> A reverse lookup gives:
> $ host 24.157.184.123
> Host 123.184.157.24.in-addr.arpa not found: 3(NXDOMAIN)
> 
> So there is no way you can send to the lists directly; you must use your
> ISP's mailer which hopefully is properly setup in DNS...
> 
> My postfix is likewise setup to deny unknown hosts, so you can't send mail
> directly to me either.
> 
> If you get a different IP address each time, you are probably wasting your
> time trying to setup your own mailer, AFAIK.
> 
> HTH,
> Pierre
> 
> ----
> 

> Want to buy your Pack or Services from MandrakeSoft? 
> Go to http://www.mandrakestore.com





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