clear negative address verify cache every 60s

install/tpl/debian_postfix.conf.master

@@ -49,5 +49,7 @@ smtp_tls_exclude_ciphers = RC4, aNULL
 smtpd_tls_mandatory_ciphers = medium
 tls_medium_cipherlist = ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES256-GCM-SHA384:ECDHE-RSA-AES256-GCM-SHA384:ECDHE-ECDSA-CHACHA20-POLY1305:ECDHE-RSA-CHACHA20-POLY1305:DHE-RSA-AES128-GCM-SHA256:DHE-RSA-AES256-GCM-SHA384
 tls_preempt_cipherlist = no
+address_verify_negative_expire_time=60s
+address_verify_cache_cleanup_interval=60s
 # needed for postfix < 3.3 when using reject_unverified_recipient (lmtp):
 enable_original_recipient = yes

install/tpl/fedora_postfix.conf.master

@@ -45,5 +45,7 @@ smtp_tls_exclude_ciphers = RC4, aNULL
 smtpd_tls_mandatory_ciphers = medium
 tls_medium_cipherlist = ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES256-GCM-SHA384:ECDHE-RSA-AES256-GCM-SHA384:ECDHE-ECDSA-CHACHA20-POLY1305:ECDHE-RSA-CHACHA20-POLY1305:DHE-RSA-AES128-GCM-SHA256:DHE-RSA-AES256-GCM-SHA384
 tls_preempt_cipherlist = no
+address_verify_negative_expire_time=60s
+address_verify_cache_cleanup_interval=60s
 # needed for postfix < 3.3 when using reject_unverified_recipient (lmtp):
 enable_original_recipient = yes

install/tpl/gentoo_postfix.conf.master

@@ -44,5 +44,7 @@ smtp_tls_exclude_ciphers = RC4, aNULL
 smtpd_tls_mandatory_ciphers = medium
 tls_medium_cipherlist = ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES256-GCM-SHA384:ECDHE-RSA-AES256-GCM-SHA384:ECDHE-ECDSA-CHACHA20-POLY1305:ECDHE-RSA-CHACHA20-POLY1305:DHE-RSA-AES128-GCM-SHA256:DHE-RSA-AES256-GCM-SHA384
 tls_preempt_cipherlist = no
+address_verify_negative_expire_time=60s
+address_verify_cache_cleanup_interval=60s
 # needed for postfix < 3.3 when using reject_unverified_recipient (lmtp):
 enable_original_recipient = yes

install/tpl/opensuse_postfix.conf.master

@@ -47,5 +47,7 @@ smtp_tls_exclude_ciphers = RC4, aNULL
 smtpd_tls_mandatory_ciphers = medium
 tls_medium_cipherlist = ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES256-GCM-SHA384:ECDHE-RSA-AES256-GCM-SHA384:ECDHE-ECDSA-CHACHA20-POLY1305:ECDHE-RSA-CHACHA20-POLY1305:DHE-RSA-AES128-GCM-SHA256:DHE-RSA-AES256-GCM-SHA384
 tls_preempt_cipherlist = no
+address_verify_negative_expire_time=60s
+address_verify_cache_cleanup_interval=60s
 # needed for postfix < 3.3 when using reject_unverified_recipient (lmtp):
 enable_original_recipient = yes