diff --git a/.env.sample b/.env.sample
index 7dc69ba..f35b752 100644
--- a/.env.sample
+++ b/.env.sample
@@ -26,3 +26,6 @@ SECRET_MAILMAN_REST_PASSWORD_VERSION=v1
 # KEYCLOAK_SSO_ENABLED=1
 # KEYCLOAK_DOMAIN=login.example.com
 # KEYCLOAK_REALM=sso-queens-united
+
+# DEV_MODE_ENABLED=1
+# DEV_MODE_EMAIL=email@example.com
diff --git a/abra.sh b/abra.sh
index f45762e..44b93ed 100644
--- a/abra.sh
+++ b/abra.sh
@@ -1,4 +1,4 @@
-export CORE_ENTRYPOINT_CONF_VERSION=v4
+export CORE_ENTRYPOINT_CONF_VERSION=v5
 export MAILMAN_EXTRA_CFG_VERSION=v1
 export NGINX_CONF_VERSION=v1
 export SETTINGS_LOCAL_VERSION=v2
diff --git a/compose.yml b/compose.yml
index 044a2f4..3f8ceca 100644
--- a/compose.yml
+++ b/compose.yml
@@ -31,6 +31,8 @@ services:
       - MTA=postfix
       - SMTP_HOST
       - SMTP_PORT
+      - DEV_MODE_ENABLED
+      - DEV_MODE_EMAIL
     configs:
       - source: mailman_extra_cfg
         target: /opt/mailman/core/mailman-extra.cfg
diff --git a/entrypoint.core.sh.tmpl b/entrypoint.core.sh.tmpl
old mode 100644
new mode 100755
index 614b216..6295017
--- a/entrypoint.core.sh.tmpl
+++ b/entrypoint.core.sh.tmpl
@@ -234,6 +234,15 @@ then
        cat /opt/mailman/gunicorn-extra.cfg > /etc/gunicorn.cfg
 fi
 
+if [ $DEV_MODE_ENABLED == "1" ]; then
+    cat >> /etc/mailman.cfg <<__EOF
+[devmode]
+enabled: yes
+recipient: $DEV_MODE_EMAIL
+
+__EOF
+fi
+
 if [[ -v HYPERKITTY_API_KEY ]]; then
 
 echo "HYPERKITTY_API_KEY found, setting up HyperKitty archiver..."