[CentOS] Postfix / Postini question
Feizhou
feizhou at graffiti.net
Wed Jun 29 15:28:32 UTC 2005
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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