From: Alex Palenschat (alexnssmgmt.com)
Date: Wed Aug 02 2006 - 15:00:32 CDT

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> I have a How-To at
> http://www.seaglass.com/postfix/turning_off_body_checks.html that
> describes this second option.

> Kyle

I am trying to do this same thing and bypass the content filter as well.
But the difference with my situation is that my postfix is configured as
an email firewall/gateway. I have two interfaces, one with a public IP
and one an internal IP. If I use inet_interfaces to only have postfix
listen on the public IP then it can't forward mail to the internal MDAs.

I have tried reading the docs on inet_interfaces and
receive_override_options but don't seem to be getting it.
If I specify:

/etc/postfix/main.cf
inet_interfaces = all

and in master.cf

<Public IP>:smtp inet n - n - - smtpd
 
And

<Internal IP>:smtp inet n - n - - smtpd
 -o content_filter=
 -o receive_override_options=no_header_body_checks

Will I accomplish having all external email filtered but all outbound
(mail from users) not filtered? Or will this confuse postfix and I need
to run two separate instances?

alex

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