Unruh <unruh-spam@physics.ubc.ca> writes:

> "David W. Hodgins" <dwhodgins@nomail.afraid.org> writes:
>
>>On Wed, 09 Jul 2008 12:02:44 -0400, Unruh <unruh-spam@physics.ubc.ca> wrote:
>
>>> Out: 451 4.3.5 Server configuration error
>
>>Looks to me like there's something in /etc/postfix/main.cf, or the directory
>>structure/ownership, that postfix doesn't like. Is there anything in
>>/var/log/mail/errors.log?
>
> No that error report IS a report of an invalid recipient. Regular mail to
> real recipients actually does get through fine. HOwever since my system
> gets bombarded by junk messages to ancient or invalid recipients (a user
> similar to the recipient reported in that message was here 15 years ago,
> but the memory in spam lists is infinite) this means I get such invalid
> address recipient mail maybe 1000 times a day. And getting 1000 emails from
> SNTP like that is simply unacceptable.

But an invalid recipient should not cause your system to return Server
Configuration Error. If your system is returning SCE to the incoming
client, your configuration is broken.

First fix your configuration.

Then, if you still need to switch off error reporting, look at the section
on error reporting in
http://www.postfix.org/BASIC_CONFIGURATION_README.html