I did have miho-2.ics-il.net, I believe.

-----
Mike Hammett
Intelligent Computing Solutions
http://www.ics-il.com


----- Original Message ----- From: "D. Ryan Spott" <[EMAIL PROTECTED]>
To: "WISPA General List" <wireless@wispa.org>
Sent: Wednesday, October 03, 2007 5:03 PM
Subject: Re: [WISPA] Email Error


You need a _host_ name not a domain..


#nslookup 208.100.1.33
Server:         10.0.1.1
Address:        10.0.1.1#53

Non-authoritative answer:
33.1.100.208.in-addr.arpa       name = ics-il.net.

Authoritative answers can be found from:
1.100.208.in-addr.arpa  nameserver = ns3.nozonenet.com.
1.100.208.in-addr.arpa  nameserver = ns.nozonenet.com.
1.100.208.in-addr.arpa  nameserver = ns4.nozonenet.com.
1.100.208.in-addr.arpa  nameserver = ns2.nozonenet.com.
ns2.nozonenet.com       internet address = 216.86.146.5
ns.nozonenet.com        internet address = 216.86.146.6
#

Tell your provider to put in something like this:


33.1.100.208.in-addr.arpa       name = mail.ics-il.net.

ryan


On Oct 3, 2007, at 2:54 PM, Mike Hammett wrote:

I have a user trying to email someone at UIUC. Here is the error generated:

Connected to 128.174.5.12 but sender was rejected.

Remote host said: 451 4.1.8 Possibly forged hostname for 208.100.1.33 I'm not going to try again; this message has been in the queue too long.


I call in and they tell me I need to fix my reverse DNS. They're the first ones to have a beef with it, so I contact my provider to have him change the reverse DNS to ics-il.net, which is the domain my client is mailing from. Now I get this error:

Connected to 128.174.5.120 but sender was rejected.
Remote host said: 550 5.7.1 Fix reverse DNS for 208.100.1.33


Ideas?


-----
Mike Hammett
Intelligent Computing Solutions
http://www.ics-il.com

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