pf/php: add mta-sts support (outbound) (#6686)

* added mta-sts-resolver into postfix config + daemon

* [Web] Add MTA-STS support

* [Web] Fix mta-sts server_name

* updated .gitignore

* [ACME] fetch cert for mta-sts subdomain

* [Web] change MTA-STS id to human-readable timestamp

* [Web] Remove MTA-STS version STSv2

* [Web] Fix MTA-STS DNS check

* [Web] add max_age limit for MTA-STS policy

* Added tooltips and info texts to mta-sts webui page

* postfix: replace mta-sts-resolver with postfix-tlspol

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Co-authored-by: FreddleSpl0it <75116288+FreddleSpl0it@users.noreply.github.com>

data/conf/postfix/main.cf

@@ -152,7 +152,7 @@ smtp_sasl_auth_enable = yes
 smtp_sasl_password_maps = proxy:mysql:/opt/postfix/conf/sql/mysql_sasl_passwd_maps_sender_dependent.cf
 smtp_sasl_security_options =
 smtp_sasl_mechanism_filter = plain, login
-smtp_tls_policy_maps = proxy:mysql:/opt/postfix/conf/sql/mysql_tls_policy_override_maps.cf
+smtp_tls_policy_maps = proxy:mysql:/opt/postfix/conf/sql/mysql_tls_policy_override_maps.cf socketmap:inet:127.0.0.1:8642:QUERY
 smtp_header_checks = pcre:/opt/postfix/conf/anonymize_headers.pcre
 mail_name = Postcow
 # local_transport map catches local destinations and prevents routing local dests when the next map would route "*"