On Wed, 2010-10-13 at 14:37 -0500, Jay G. Scott wrote:

> Let me take a step back.  Let us say that my
> main.cf looks like this:
> 
> # i don't do local delivery on this machine, so:
> mydestination = 
> #
> relayhost = outgo.arlut.utexas.edu
> transport_map = hash:/etc/postfix/transport
> 

^^^^^^^^^^^
transport_maps =       NOTE the "S"



> and transport looks like this:
> 
> blarg.arlut.utexas.edu         smtp:[blarg.arlut.utexas.edu]
> 


looks good


> If I send mail to some...@example.com, transport shouldn't
> get involved, right?  Or, maybe the map is consulted but
> since there's nothing for example.com in there, it doesn't
> act on it.  The transport_map parameter doesn't
> turn off relayhost entirely, does it?  example.com should
> honor relayhost's value.  Right?
> 


no it doesn't, transport_maps bypasses relayhost, which is the default
fallback for everyone else


Cheers

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