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postfix: set tls_preempt_cipherlist

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link2xt
2024-01-26 19:45:53 +00:00
parent 8d5f91bf98
commit 6bc2186912
1 changed files with 8 additions and 0 deletions
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8
cmdeploy/src/cmdeploy/postfix/main.cf.j2
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@@ -26,6 +26,14 @@ smtp_tls_policy_maps = socketmap:inet:127.0.0.1:8461:postfix
smtpd_tls_protocols = >=TLSv1.2 smtpd_tls_protocols = >=TLSv1.2
smtpd_tls_exclude_ciphers = ECDHE-RSA-RC4-SHA, RC4, aNULL, DES-CBC3-SHA, ECDHE-RSA-DES-CBC3-SHA, EDH-RSA-DES-CBC3-SHA smtpd_tls_exclude_ciphers = ECDHE-RSA-RC4-SHA, RC4, aNULL, DES-CBC3-SHA, ECDHE-RSA-DES-CBC3-SHA, EDH-RSA-DES-CBC3-SHA
# Override client's preference order.
# <https://www.postfix.org/postconf.5.html#tls_preempt_cipherlist>
#
# This is mostly to ensure cipher suites with forward secrecy
# are preferred over non cipher suites without forward secrecy.
# See <https://www.postfix.org/FORWARD_SECRECY_README.html#server_fs>.
tls_preempt_cipherlist = yes
smtpd_relay_restrictions = permit_mynetworks permit_sasl_authenticated defer_unauth_destination smtpd_relay_restrictions = permit_mynetworks permit_sasl_authenticated defer_unauth_destination
myhostname = {{ config.mail_domain }} myhostname = {{ config.mail_domain }}
alias_maps = hash:/etc/aliases alias_maps = hash:/etc/aliases