Neohapsis is currently accepting applications for employment. For more information, please visit our website www.neohapsis.com or email firstname.lastname@example.org
From: Wietse Venema (wietseporcupine.org)
Date: Fri Jun 18 2010 - 05:50:31 CDT
> Good Morning,
> Is there a way to hide the syserr as well as the path returned by a
> pipe transport? For instance, I have virtual accounts and they are
> handled by a custom transport. When a message is sent to a
> non-existent user, the mailer-daemon response to the sender is:
> <bobexample.com>: Command died with status 1:
> "/usr/lib/xmail/postfix/vmtransport". Command output: Unknown user.
> The user "bob" does not exist at "example.com".
DO NOT ACCEPT MAIL FOR NON-EXISTENT USERS.
Your system is sending back SPAM to innocent people who did not send it.