Need email server aid

[Christopher Chan]

On Thursday, April 22, 2010 08:45 AM, Hal Burgiss wrote:
> On Wed, Apr 21, 2010 at 8:34 PM, Christopher Chan
> <christopher.chan at bradbury.edu.hk>  wrote:
>
>>
>> That's not a unknown sender domain problem, that's postfix doing the
>> right thing. I suspect the OP forgot to enable authentication on his
>> mail client.
>
> But why would he want to do that with an embedded system on a LAN?
> Simpler just to use ip based authentication.
>
>

Embedded systems do support setting up smtp authentication. His system's 
ip was not exactly internal you know...