docs/advanced-cofnigurations: expand recommendations

Mention FTS and TLSRPT and explain what these setups are good for and
when they might be required.

docs/advanced-configurations.rst

@@ -9,6 +9,15 @@ might help you accomplish your goals. If not, consider contributing a guide!
 
 If this is your first mailserver, consider the following:
 
-- Set up `backups <backup-guide.html>`_.
-- Enable `DMARC reporting <options.html#mailserver-dmarcreporting>`_ to be a
-  good citizen in the mail ecosystem.
+- Configure regular, automatic `backups <backup-guide.html>`_.
+- Enable `fulltext search <fts.html>`_ to let clients that don’t sync all
+  mail efficiently find messages, by performing searches directly on the server.
+- Set up the `Sender Rewriting Scheme`_ if you rely on server-side mail
+  forwarding to external mail servers using mail forwards or Sieve rules.
+- Contribute `DMARC reports`_ and `SMTP TLS reports`_ to help improve email
+  security across the internet by sending feedback on authentication failures,
+  spoofing attempts, and TLS encryption issues.
+
+.. _DMARC reports: options.html#mailserver-dmarcreporting
+.. _SMTP TLS reports: options.html#mailserver-tlsrpt
+.. _Sender Rewriting Scheme: srs.html

scripts/generate-options.py

@@ -30,6 +30,7 @@ groups = [
     "mailserver.dkim",
     "mailserver.srs",
     "mailserver.dmarcReporting",
+    "mailserver.tlsrpt",
     "mailserver.fullTextSearch",
     "mailserver.redis",
     "mailserver.ldap",