Oh, I see, as a cross check.

> internal network using public addresses
Now, that's scarry

What OS is the server using? I know that under windows you can setup the
HOSTS file to link IP to Domain Name

Make an entry in the HOSTS (with no extension) file

Local non-routable address <tab> domain name
example
192.168.168.100 domainname.com


Ben Johansen - http://www.pcforge.com
Authorized Witango Reseller http://www.pcforge.com/WitangoGoodies.htm 
Latest downloads & List Archives @ http://www.witango.ws


-----Original Message-----
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED]] On Behalf Of David Green
Sent: Friday, September 27, 2002 10:23 AM
To: Multiple recipients of list witango-talk
Subject: Re: Witango-Talk: Tango Sending Email...

The ISP actually does both checks.  Before it ever gets to the point
where it sends the ip, instead of the machine name, it has already
authenticated using the external ip address given by the ISP.  I think
it's more of an accidental denial more than anything... or still
something to do with the internal network using public addresses.

David Green

Ben Johansen wrote:
> 
> I never said it wasn't with the rights of the ISP, I said change ISPs
> because other have no problem with this.
> 
> When I relay for my clients, My mail server checks the actual
> connections IP not an address from a spoofable header.
> 
> Yes the hosts file is where you can spoof I mean setup your domain to
IP
> link
> 
> Ben Johansen - http://www.pcforge.com
> Authorized Witango Reseller http://www.pcforge.com/WitangoGoodies.htm
> Latest downloads & List Archives @ http://www.witango.ws
> 
> -----Original Message-----
> From: [EMAIL PROTECTED]
> [mailto:[EMAIL PROTECTED]] On Behalf Of Bill Conlon
> Sent: Friday, September 27, 2002 9:57 AM
> To: Multiple recipients of list witango-talk
> Subject: RE: Witango-Talk: Tango Sending Email...
> 
> I disagree.  The ISP is absolutely within its rights to only relay
mail
> from within its NETBLOCK.
> 
> Although Robert Shubert's statement that the server should have a
static
> 
> address is correct; it's irrelevant.  The Tango server is apparently
> firewalled (or at least NAT'ed) and is presenting a private address,
> such
> as 192.xxx.xxx.xxx.  How can the ISP accept mail from this address
> without opening a relay for anyone on a private network?
> 
> I believe you can create a host file entry on the app server, so when
> Tango comes up, it resolves to a name within your domain.  This should
> do
> the trick.
> 
> >I agree totally here, I do it for my clients also.
> >If your ISPs email software can't handle it find another ISP
> >
> >Ben Johansen - http://www.pcforge.com
> >Authorized Witango Reseller http://www.pcforge.com/WitangoGoodies.htm
> >Latest downloads & List Archives @ http://www.witango.ws
> >
> >
> >-----Original Message-----
> >From: [EMAIL PROTECTED]
> >[mailto:[EMAIL PROTECTED]] On Behalf Of Robert Shubert
> >Sent: Friday, September 27, 2002 12:35 AM
> >To: Multiple recipients of list witango-talk
> >Subject: Re: Witango-Talk: Tango Sending Email...
> >
> >David,
> >
> >This does make 'sense' although the terms seem a little off. Your
Tango
> >Server should have a static IP, and therefore your ISP should simply
> >install that IP as valid relay. The reason they are seeing the error
> >they are is probably due to the lack of proper reverse-DNS setting
for
> >your Tango server IP. As I just said though, they should simply allow
> >the IP. It's standard practice and I do it all the time for clients.
> >
> >Robert Shubert
> >Tronics
> >
> >David Green wrote:
> >>
> >> Hello all,
> >>
> >> I've got kind of a 'deep' problem here.  I've used Tango to send
> >emails
> >> for the last 4 years.  Never had a problem.  I've always used my
ISP
> >as
> >> my smtp server.  They made some changes recently to not allow
> >spammers.
> >> In these changes, they've also blocked me.  This has nothing to do
> >with
> >> any blacklist or open-relay issues.  Yes... I'm sure.
> >>
> >> Here's where it gets weird... my ISP is telling me that at the
> >beginning
> >> of the SMTP connection Tango sends a HELO statement.  They say
> >normally,
> >> that is followed by the name of the machine.  Tango is instead
> sending
> >> it's internal ip address which isn't owned by the ISP so they
reject
> >the
> >> email.
> >>
> >> Does that make sense to anyone?  So I guess my question is, why
> >doesn't
> >> Tango send the machine name instead of it's ip?  And, obviously, is
> >> there anyway I can change this?
> >>
> >> Any help is greatly appreciated!
> >>
> >> Thanks,
> >>
> >> David Green
> >> [EMAIL PROTECTED]
> >> Systems InSight, Inc.
> >> http://www.systemsinsight.com
> >>
>
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> _
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> _
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> 
> Bill Conlon
> 
> To the Point
> 345 California Avenue Suite 2
> Palo Alto, CA 94306
> 
> office: 650.327.2175
> fax:    650.329.8335
> mobile: 650.906.9929
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>
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