Stop Sendmail from bouncing unknown user?

[Vlad Mazek]

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If you ever figure that one out I'd love to know. Currently we do LDAP
sync's between remote domains and our sendmail's access file to only
accept legitimate addresses and reject all others. For example in your
access you can put:

To:vlad at mazek.com   RELAY
.... insert all other valid email addresses here
To:mazek.com   550 ExchangeDefender does not allow SPAM.

-Vlad

Brian Lewis wrote:

>Unfortunately I believe this feature is for incoming email.  I need it to
>not generate a reply back to the sender when it attempts to deliver a
>queue item to another server that says the user is unknown or doesn't
>exist.
>
>I run a few mailscanners for a bunch of domains, the scanners then use a
>table in sendmail to redirect all clean domain email to the correct mail
>server for that domain. Unfortunately this means the server accepts all
>email for a particular domain name no matter what, and if it scores low
>enough to not be deleted it is sent to the real mailserver handling that
>domain email, which in turn refuses the email message, causing the scanner
>to have to generate and attempt to send an undeliverable email to the
>sender.  I'd like to stop that behavior
>
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