format of check_client_access whitelist

From: Covington, Chris (no email)
Date: Fri Jun 06 2003 - 11:35:22 EDT


Hi all,

I'm setting up a Postfix server to filter/relay mail to our Exchange
2000 server, running it on RH 9. I looked into sendmail but seemed like
such an overwhelming behemoth. So postfix is installed and running
well!

My question is what is the proper syntax of the entries in the
check_client_access file itself?

Here are my smtpd_recipient_restrictions=
                reject_invalid_hostname,
                reject_non_fqdn_hostname,
                reject_non_fqdn_sender,
                reject_non_fqdn_recipient,
                reject_unknown_sender_domain,
                reject_unknown_recipient_domain,
                reject_unauth_pipelining,
                permit_mynetworks,
                check_client_access hash:/etc/postfix/whitelist
                reject_unauth_destination,
                reject_rbl_client blackholes.easynet.nl,
                reject_rbl_client list.dsbl.org,
                reject_rbl_client opm.blitzed.org,
                reject_rbl_client relays.ordb.org,
                reject_rbl_client sbl.spamhaus.org,
                permit

I'm assuming check_client_access hash:/etc/postfix/whitelist will allow
me to specify a list of domains or IP addresses to accept mail from even
if the IP of the SMTP server is on one of the lists.

So how do I make entries in the /etc/postfix/whitelist file? Do I enter
a list of IP addresses, or do I enter domain names? Is it comma
delimited, tab delimited, or CR/LF? Sorry for the newbie-esque question
I just can't seem to find the answers anywhere else.

Thanks
Chris








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