ale
--- a/roles/mailman/templates/mm_cfg.py.j2

+ 8

− 5
+++ b/roles/mailman/templates/mm_cfg.py.j2

+ 8

− 5
 @@ -113,7 +113,7 @@ DEFAULT_REPLY_GOES_TO_LIST = 0
 DEFAULT_MAX_DAYS_TO_HOLD = 15

 # rimuove le firme Dkim e Dk dalle mail in entrata a mailman
-REMOVE_DKIM_HEADERS = 'YES'
+REMOVE_DKIM_HEADERS = Yes


 #-------------------------------------------------------------
 @@ -141,11 +141,14 @@ ARCHIVE_HTML_SANITIZER = 0
 # 3 = Discard
 DEFAULT_GENERIC_NONMEMBER_ACTION = 2

-# added by ale+blicero to limit recipient per send and avoid spam limit measures
-SMTP_MAX_RCPTS = 50
+# Enable VERP probes for better bounce detection, one in 10 emails.
+VERP_PROBES = Yes
+VERP_CONFIRMATIONS = Yes
+VERP_DELIVERY_INTERVAL = 10

-# Note - if you're looking for something that is imported from mm_cfg, but you
-# didn't find it above, it's probably in /usr/lib/mailman/Mailman/Defaults.py.
+# Limit recipient per send, avoid spam limit measures and limit blast
+# radius from delivery failures.
+SMTP_MAX_RCPTS = 10

 DEFAULT_SUBSCRIBE_POLICY = 3
 DEFAULT_LIST_ADVERTISED = No