Address Rewriting for relayed emails

Dear all, Is it possible to configure postfix for the following scenario? Our ERP-System wants to send emails over a dedicated account to it's users. As it tries to send the email as the current user, using the users address, the e-mail gets rejected by our provider (who is running Exchange).

Re: Re: Address Rewriting for relayed emails

Thanks for the config hint. It works fine if I add an email address like this to generic laserjetscan...@domain.local notificati...@domain.com It does not work if I want to do the following: @domain.com notificati...@domain.com It then appears to rewrite the recipients address as well and not