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postfix gives a bit to mutch information about my network layout. How can i restrict that ?

From: ^Herman^ (hermanofzo.nl)
Date: Wed Nov 23 2005 - 06:20:16 CST


The good part: I have smtpd_recipient_restrictions =>
reject_unverified_recipient enabled and it works like advertised :)

However if I try to send a mail witch I am not final recepient for it
barks a bit to mutch information.

( external transport )
 550 <doesnotexistfoo-bar.net>: Recipient address rejected:
undeliverable address: host 84.107.123.123[84.107.123.123] said: 550
5.1.1 User unknown (in reply to RCPT TO command)

And on internal machines :

550 <someusersome-internalhost.nl>: Recipient address rejected:
undeliverable address: host 10.0.3.10[10.0.3.10] said: 550

Is there a way to let the message stop at the "Recipient address
rejected" and not give all the juicy details on my network topology?

Thanks in advance,

Herman