Stop relay_domains matching subdomains, refresh positive verify cache hourly
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This commit is contained in:
2026-10-12 22:01:08 +11:00
parent 4f6150e93a
commit d19c7d7942
+4
View File
@@ -13,6 +13,8 @@ message_size_limit = 52428800
mynetworks = cidr:/etc/postfix/mynetworks.cidr
relay_domains = texthash:/etc/postfix/relay_domains
# Default minus relay_domains: subdomains are not delivered and would loop back out via the gateways.
parent_domain_matches_subdomains = debug_peer_list,fast_flush_domains,mynetworks,permit_mx_backup_networks,qmqpd_authorized_clients,smtpd_access_maps
transport_maps = texthash:/etc/postfix/transport
relayhost = [mta1.edge.unkin.net]:25
smtp_fallback_relay = [mta2.edge.unkin.net]:25
@@ -25,6 +27,8 @@ unverified_recipient_reject_code = 550
unverified_recipient_tempfail_action = defer_if_permit
address_verify_negative_refresh_time = 5m
address_verify_negative_expire_time = 1h
address_verify_positive_refresh_time = 1h
address_verify_positive_expire_time = 1d
milter_default_action = tempfail
smtpd_milters =