Does anyone know if this file is actively in use?
I would assume based on the header in /etc/postgrey/whitelist_clients
root@mail:/etc/postgrey# cat whitelist_clients
# postgrey whitelist for mail client hostnames
# --------------------------------------------
# put this file in /etc/postfix or specify its path
# with --whitelist-clients=xxx
#
# postgrey version: ##VERSION##, build date: ##DATE##
that postfix would need to reference it somewhere.
root@mail:/etc/postgrey# grep -i whitelist /etc/postfix/main.cf
root@mail:/etc/postgrey#
root@mail:/etc/postgrey#
However I don’t see that. I feel that if postfix was actually using this file that it would be an improvement. Unless I missed something.
The file is used by postgrey, not postfix.
The Postfix Greylisting Policy Server (Postgrey) uses the concept of greylisting to take advantage of mail standards that the vast majority of spammers are not or cannot be configured to support.
The postfix process is configured to send incoming mail to postgrey, which determines whether the mail can continue to the next step in the delivery process by checking whether the sender (“client”) or recipient match anything postgrey is configured to match.
When the postgrey test fails, postfix will…
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So header is just misleading?
I assume postfix has to interact with postgrey somehow. Perhaps this is doing this specifically though the check_policy_service inet:127.0.0.1:10023.
Correct, as that is how various other services are used, including opendmarc and opendkim.
Just read though your guide.
Ill be creating the whitelist_clients.local file and adding things there appropriately.
Thanks for the help.
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system
June 13, 2022, 12:43pm
8
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