local_recipient_maps setting. Docs.

Author: sdarwin

docs/mailman3-core.md

@@ -88,6 +88,21 @@ mailman3_database_list:
     subnet: "0.0.0.0/0"
 ```
 
+## Checklist
+
+Is mailman3-core reachable:  
+
+```
+wget http://server:8001
+```
+
+Is email working:  
+
+```
+mail [email protected]  # outgoing mail
+gmail root@server      # incoming mail
+```
+
 ## List Setup  
 
 Recommended changes. After creating a list in the UI, make the following updates to the list:  

templates/postfix_main.cf.j2

@@ -58,5 +58,5 @@ permit_sasl_authenticated = defer_unauth_destinations
 {% endif %}
 
 transport_maps = hash:/var/lib/mailman3/data/postfix_lmtp
-local_recipient_maps = hash:/var/lib/mailman3/data/postfix_lmtp
+local_recipient_maps = proxy:unix:passwd.byname $alias_maps hash:/var/lib/mailman3/data/postfix_lmtp
 relay_domains = hash:/var/lib/mailman3/data/postfix_domains