* Fons van der Beek <fons.vanderb...@84-it.com>:
> Hello all,
> 
> I have a SBS server that has several users from different domains,
> receiving mails for several domains on the SBS box is no problem.
> The problem is in sending.
> 
> Suppose I use postfix as an outgoing smarthost, but this smart host
> should rewrite the senders adress.
> 
> e.g.
> Exchange sends an email from u...@domain.com to the smarthost
> The smart host converts u...@domain.com to us...@anotherdomain.com
> and sends this message to the intended receiver.
> 
> Can this be done?
> I can imagine this can be done by using headerchecks, did anybody do
> this before?
> if so can someone point me in the right direction?

Using header_checks won't do the job. Take a look at "generic" tables:

$ man 5 generic

p...@rick

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saslfinger (debugging SMTP AUTH):
<http://postfix.state-of-mind.de/patrick.koetter/saslfinger/>

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