Postfix / Postini question

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Barry Brimer wrote:
> 
> I have a mail server that handles several domains.  One of these domains has
> decided to use Postini.  For those not familiar with Postini, you set your MX
> records to use their mail servers.  They filter mail, and deliver you only the
> clean virus/spam free mail.  The idea is to only allow incoming mail from their
> mail servers so spammers are unable to send to your mail server directly.  This
> is fairly simple to do with standard restriction classes for a dedicated mail
> server.  I am not sure how to accomplish this on a shared mail server.  Ideally
> I would like to instruct postfix to accept mail from anywhere for all domains
> except one domain (the one using Postini) and only allow mail destined for that
> specific domain to originate from Postini's mail servers.  Any ideas would be
> greatly appreciated.

check_recipient_access
		key		value
		postini-domain	postini-domain-restrictions

smtpd-restrictions
	postini-domain-restrictions

postini-domain-restrictons
	check_client_access
		key			value
		postini-ips/rdns	OK
	check_client_access
		key			value
		anything(regex/pcre)	REJECT

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