mail.cf.in default file

Sep 17, 2020
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Hello All,

I'm trying to find out where/how I can get an original main.cf.in file.
I believe I kept a copy, however I can't be sur so I want to verify.
Running 8.1.2

Thank you!
 
I have the same template version, so thats good, but the bigger issue is getting a pre RBL email to go through.
Sometime legit sending servers get blacklisted, but I need to whitelist those senders.
Normall I would do something like this:
Code:
smtpd_recipient_restrictions = permit_mynetworks,
                               check_sender_access hash:/etc/postfix/sender_access,
                               reject_rbl_client zen.spamhaus.org,
                               ...

using sender_access I could allow a list of emails or domains. But in the template, RBL's are handled differently.
is there a built-in method of whitelisting besides IP numbers, prior to the RBL?

This is my template version

Code:
postscreen_access_list =
        permit_mynetworks,
        cidr:/etc/postfix/postscreen_access

# Jack - Above RBL

postscreen_dnsbl_sites = b.barracudacentral.org,bl.spamcop.net,all.spamrats.com,bl.spameatingmonkey.net,psbl.surriel.com,bl.score.senderscore.com
postscreen_dnsbl_threshold = 1

# Jack - below RBL

postscreen_dnsbl_action = enforce
postscreen_greet_action = enforce

smtpd_sender_restrictions =
        permit_mynetworks
        reject_non_fqdn_sender
        check_client_access     cidr:/etc/postfix/clientaccess
        check_sender_access     regexp:/etc/postfix/senderaccess
        check_recipient_access  regexp:/etc/postfix/rcptaccess
# Jack
        reject_unknown_reverse_client_hostname
# end Jack reject_unknown_sender_domain

smtpd_recipient_restrictions =
        permit_mynetworks
        reject_unauth_destination
        reject_non_fqdn_recipient
        check_recipient_access  regexp:/etc/postfix/rcptaccess check_sender_access  regexp:/etc/postfix/senderaccess
        # Jack
        check_sender_access     hash:/etc/postfix/sender_reject_domain
        check_client_access     cidr:/etc/postfix/sender_reject_ip
        check_recipient_access  hash:/etc/postfix/sender_reject_invalid
        # end Jack