Postfix - don't reject unknown user for specific domain

Discussion in 'Server Operation' started by patrick3853, Nov 29, 2012.

  1. patrick3853

    patrick3853 New Member

    Having a problem with piping emails from postfix to shell script. Here's the setup:

    Ubuntu 12.10, Postfix with MySQL Virtual Users (followed this guide)

    I have domain which I am hosting email for. When an email comes in for, if a virtual user exists for the to address then send the email normally. If the user doesn't exist, pipe the email to a script.

    I have set up a transport for and defined it in to pipe the email to the script. The script checks if a user exists for the To address and acts accordingly. The problem is that if the user doesn't exist, the email never makes it to my transport. Instead I get "user unkown in virtual alias table" in mail.log.

    So the question is, how can I tell postfix not to reject email for unkown users on a specific domain, or is that even possible?

    btw, I know that adding a catchall alias for the domain will solve this, but it doesn't work in my setup as I need to preserve the To address, and a catchall alias changes the to address to the catchall.

    Thanks in advance for any help
  2. pititis

    pititis Member


    add to the relay recipient map,


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