sendmail: Routing dead mail to a shell command?
Is there a way that I can run a shell command when an email is returned from a server because the account doesn't exist? People sign up on my site using fake email addresses sometimes and then I get a bunch of dead mail bouncing back to me. I'd like to be able to run a shell command that would call up a script to remove their email address from the database any time an account comes back dead. Thanks.