[ale] mail headers question

[Stephan Uphoff]

On Thu, 2004-08-26 at 20:30, Geoffrey wrote:
> Stephan Uphoff wrote:
> 
> >>My email provider is, it's mind(less)spring who's got the problem.
> >
> >
> > Ahhh .. now we are getting somewhere.
> >
> > I assume that you are using smtpauth.earthlink.net as your
> > smtpserver?
> > And "Yourfullemailaddress at provider" as outgoing user name?
> > And use "username + password" is enabled on outgoing smtp?
> 
> No, I don't use earthlink, in this case the provider happens to be
> 1and1.com.  I use speedfactory for the majority of my services.
>
> >
> > If this is the case you should think about calling tech support ;-)
> 
> I did contact 1and1.  But the problem is not them.  The receiving email
> address was the mindspring address, not the sender.  It's mindspring
> who's sending the thing back, apparently based on the headers.

My head is spinning %-)
I guess we had a communication breakdown.
Can you send an (obfuscated) complete header of the failed email.
Are you using speedfactory or 1and1 as your smtp server?
Are you using authentication for the smtp server?

> >
> >>Further, the client should not be 'publishing' an internal ip address.
> >>Particularily when it is nat'd at the firewall.
> >
> >
> > Not much choice if they wanted a clean RFC conform implementation.
> 
> I checked the rfc, I must have missed it.  I don't understand why the
> mail headers should compromise the nat'ing.
> 
> > But the reverse lookup of your IP address has the look&feel of a dynamic
> > address (same here :-( )
> 
> BUT this makes no sense.  I'm doing what they want me to do, using my
> isp mail server rather than my own.  I can use my own and that get's
> through.
> 
> But when I send email from localhost, it doesn't place my static in the
> headers, but my domain, which is 3times25.net, which will properly
> resolve. The problem is that mozilla is sticking the internal nat'd
> address in the headers.  Personally, I don't think this should be done.
>   It's complicated by the fact that the email address in question is not
> of my domain, it's a different domain.  If I send email from
> esoteric at 3times25.net I don't have the problem, it's only when I send
> email via a different domain when I have the problem.  The other domain
> is a valid domain, so reverse lookup works.  The problem stems from the
> nat'd address showing up in the headers.
> 
> --
> Until later, Geoffrey       Registered Linux User #108567
>                              AT&T Certified UNIX System Programmer - 1995
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