Adam:
> 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:
>
> <b...@example.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.
Wietse
