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Postfix antispam config
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| disable_vrfy_command = yes | |
| smtpd_client_restrictions = | |
| reject_rhsbl_reverse_client dbl.spamhaus.org | |
| smtpd_helo_required = yes | |
| smtpd_helo_restrictions = | |
| reject_invalid_helo_hostname, | |
| reject_non_fqdn_helo_hostname, | |
| reject_rhsbl_helo dbl.spamhaus.org | |
| smtpd_sender_restrictions = | |
| reject_non_fqdn_sender, | |
| check_sender_access hash:/etc/postfix/sender_access, | |
| reject_unknown_sender_domain, | |
| reject_rhsbl_sender dbl.spamhaus.org | |
| smtpd_data_restrictions = reject_unauth_pipelining | |
| postscreen_blacklist_action = enforce | |
| postscreen_access_list = | |
| permit_mynetworks, | |
| cidr:/etc/postfix/spammers.cidr | |
| postscreen_greet_action = enforce | |
| postscreen_greet_banner = Silence is golden | |
| postscreen_dnsbl_action = enforce | |
| postscreen_dnsbl_threshold = 2 | |
| postscreen_dnsbl_sites = | |
| zen.spamhaus.org*3, | |
| bl.spamcop.net*1, | |
| psbl.surriel.com*2, | |
| bl.mailspike.net*2, | |
| proxies.dnsbl.sorbs.net*1, | |
| list.dnswl.org=127.0.[0..255].[1..3]*-5 |
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