Refactor: gomplate + debian 13 (#1)

Co-authored-by: Mauro Torrez <mauro@layer7.mx>
Reviewed-on: #1

templates/start.d/setup_submission

@@ -0,0 +1,25 @@
+#!/bin/bash
+
+#postconf -M submission/inet
+#postconf -P -h submission/inet/milter_macro_daemon_name
+#postconf -P -h submission/inet/smtpd_client_restrictions
+#postconf -P -h submission/inet/smtpd_sasl_auth_enable
+#postconf -P -h submission/inet/smtpd_tls_security_level
+#postconf -P -h submission/inet/syslog_name
+
+{{ if eq (getenv "SUBMISSION_ENABLE") "yes" -}}
+postconf -M submission/inet="submission inet n - n - - smtpd"
+postconf -F submission/inet/private=n \
+	 submission/inet/unprivileged=- \
+	 submission/inet/chroot=n submission/inet/wakeup=- \
+	 submission/inet/process_limit=- \
+	 submission/inet/command="smtpd"
+postconf -P -e submission/inet/milter_macro_daemon_name="ORIGINATING"
+postconf -P -e submission/inet/smtpd_client_restrictions="permit_sasl_authenticated,reject"
+postconf -P -e submission/inet/smtpd_helo_restrictions="permit"
+postconf -P -e submission/inet/smtpd_sasl_auth_enable="yes"
+postconf -P -e submission/inet/smtpd_tls_security_level="encrypt"
+postconf -P -e submission/inet/syslog_name="postfix/submission"
+{{ else -}}
+postconf -M# submission/inet
+{{ end -}}