Postfix: rename "smtps" to "submissions" (#3235)

docs/content/config/advanced/kubernetes.md

@@ -460,7 +460,7 @@ Then, configure both [Postfix][docs-postfix] and [Dovecot][docs-dovecot] to expe
       postfix-master.cf: |
         smtp/inet/postscreen_upstream_proxy_protocol=haproxy
         submission/inet/smtpd_upstream_proxy_protocol=haproxy
-        smtps/inet/smtpd_upstream_proxy_protocol=haproxy
+        submissions/inet/smtpd_upstream_proxy_protocol=haproxy
       dovecot.cf: |
         # Assuming your ingress controller is bound to 10.0.0.0/8
         haproxy_trusted_networks = 10.0.0.0/8, 127.0.0.0/8

docs/content/examples/tutorials/mailserver-behind-proxy.md

@@ -105,7 +105,7 @@ and to `docker-data/dms/config/postfix-master.cf`:
 
 ```cf
 submission/inet/smtpd_upstream_proxy_protocol=haproxy
-smtps/inet/smtpd_upstream_proxy_protocol=haproxy
+submissions/inet/smtpd_upstream_proxy_protocol=haproxy
 ```
 
 Changes for `dovecot` can be applied by adding the following content to `docker-data/dms/config/dovecot.cf`:

target/postfix/master.cf

@@ -27,8 +27,8 @@ submission     inet  n       -       n       -       -       smtpd
   -o milter_macro_daemon_name=ORIGINATING
   -o cleanup_service_name=sender-cleanup
 
-smtps          inet  n       -       n       -       -       smtpd
-  -o syslog_name=postfix/smtps
+submissions    inet  n       -       n       -       -       smtpd
+  -o syslog_name=postfix/submissions
   -o smtpd_tls_wrappermode=yes
   -o smtpd_sasl_auth_enable=yes
   -o smtpd_sasl_type=dovecot

target/scripts/helpers/ssl.sh

@@ -342,7 +342,7 @@ function _setup_ssl
       # | http://www.postfix.org/postconf.5.html#smtpd_tls_auth_only | http://www.postfix.org/TLS_README.html#server_tls_auth
       #
       # smtp_tls_wrappermode (default: not applied, 'no') | http://www.postfix.org/postconf.5.html#smtp_tls_wrappermode
-      # smtpd_tls_wrappermode (default: 'yes' for service port 'smtps') | http://www.postfix.org/postconf.5.html#smtpd_tls_wrappermode
+      # smtpd_tls_wrappermode (default: 'yes' for service port 'submissions') | http://www.postfix.org/postconf.5.html#smtpd_tls_wrappermode
       # NOTE: Enabling wrappermode requires a security_level of 'encrypt' or stronger. Port 465 presently does not meet this condition.
       #
       # Postfix main.cf (base config):
@@ -353,7 +353,7 @@ function _setup_ssl
       #
       # Postfix master.cf (per connection overrides):
       # Disables implicit TLS on port 465 for inbound (smtpd) and outbound (smtp) traffic. Treats it as equivalent to port 25 SMTP with explicit STARTTLS.
-      # Inbound 465 (aka service port aliases: submissions / smtps) for Postfix to receive over implicit TLS (eg from MUA or functioning as a relay host).
+      # Inbound 465 (aka service port aliases: submissions) for Postfix to receive over implicit TLS (eg from MUA or functioning as a relay host).
       # Outbound 465 as alternative to port 587 when sending to another MTA (with authentication), such as a relay service (eg SendGrid).
       sedfile -i -r \
         -e "/smtpd?_tls_security_level/s|=.*|=none|" \