[NTLUG:Discuss] Sendmail Help

[Greg Edwards]

Stephen Davidson wrote:
>> Steve,
>>
>> Is your home system on it's own domainname?  Can you get to it at all 
>> from outside?  Using the machine name they assigned you can you get to 
>> it?  i.e. yourbox.theirdomain.com
>>
> Hi Greg.
> 
> There is absolutely no way to access my home system from the outside.  
> It does not have its own domain name.  This is why I am looking at maybe 
> "boosting" what I have running on J2EEGuys for the laptop, as well as 
> trying to figure out how to get my Sendmail install to forward through 
> my DSL ISP.  The forwarding through my DSL ISP is not something that I 
> have been able to figure out yet.  And the same applies for successfully 
> getting my laptop to authenticate with my server.
> 
> Regards,
> Steve
> 

Steve,

Boy you really do want to make life difficult ;)

Without a domainname, and without a served account on the mailserver, 
your options get pretty slim.

What is the story on your j2eeguys.com domain?

Sendmail on your home and laptop are very flexible and can easily be 
made to do what you want to do for outbound mail service.  Both can be 
made to get mail out and have it addressed correctly.  You don't need to 
have either relayed to the DSL mailserver for outbound.  Simply set both 
up to masquerade as the domain you want mail to look like it came from. 
  The laptop will queue mail while offline and deliver it when you get 
connected again.  You are running sendmail in standalone (daemon) mode 
aren't you?

The issues are getting mail back and your desire to route through the 
DSL mailserver.  Is DSL relay really a deal breaker?  Also, some mail 
receivers won't like the source IP not resolving with the domain IP.

Maybe give the masquerade approach a try and see if that gets you close 
to what you want.

-- 
Greg Edwards

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