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Require TLS 1.3 on client-facing ports #454

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Require TLS 1.3 on client-facing ports #454

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2 changes: 1 addition & 1 deletion cmdeploy/src/cmdeploy/dovecot/dovecot.conf.j2
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Original file line number Diff line number Diff line change
Expand Up @@ -209,7 +209,7 @@ ssl = required
ssl_cert = </var/lib/acme/live/{{ config.mail_domain }}/fullchain
ssl_key = </var/lib/acme/live/{{ config.mail_domain }}/privkey
ssl_dh = </usr/share/dovecot/dh.pem
ssl_min_protocol = TLSv1.2
ssl_min_protocol = TLSv1.3
ssl_prefer_server_ciphers = yes


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2 changes: 2 additions & 0 deletions cmdeploy/src/cmdeploy/postfix/master.cf.j2
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Expand Up @@ -18,6 +18,7 @@ smtp inet n - y - - smtpd
submission inet n - y - 5000 smtpd
-o syslog_name=postfix/submission
-o smtpd_tls_security_level=encrypt
-o smtpd_tls_mandatory_protocols=>=TLSv1.3
-o smtpd_sasl_auth_enable=yes
-o smtpd_sasl_type=dovecot
-o smtpd_sasl_path=private/auth
Expand All @@ -36,6 +37,7 @@ smtps inet n - y - 5000 smtpd
-o syslog_name=postfix/smtps
-o smtpd_tls_wrappermode=yes
-o smtpd_tls_security_level=encrypt
-o smtpd_tls_mandatory_protocols=>=TLSv1.3
-o smtpd_sasl_auth_enable=yes
-o smtpd_sasl_type=dovecot
-o smtpd_sasl_path=private/auth
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