Add DISABLE_ONBOARDING param

app/config.py

@@ -272,3 +272,6 @@ ALERT_SPAM_EMAIL = "spam"
 ALERT_SPF = "spf"
 
 # <<<<< END ALERT EMAIL >>>>
+
+# Disable onboarding emails
+DISABLE_ONBOARDING = "DISABLE_ONBOARDING" in os.environ

app/models.py

@@ -24,6 +24,7 @@ from app.config import (
     JOB_ONBOARDING_4,
     LANDING_PAGE_URL,
     FIRST_ALIAS_DOMAIN,
+    DISABLE_ONBOARDING,
 )
 from app.errors import AliasInTrashError
 from app.extensions import db
@@ -204,6 +205,10 @@ class User(db.Model, ModelMixin, UserMixin):
         Alias.create_new(user, prefix="my-first-alias", mailbox_id=mb.id)
         db.session.flush()
 
+        if DISABLE_ONBOARDING:
+            LOG.d("Disable onboarding emails")
+            return user
+
         # Schedule onboarding emails
         Job.create(
             name=JOB_ONBOARDING_1,

example.env

@@ -129,4 +129,8 @@ FACEBOOK_CLIENT_SECRET=to_fill
 
 # Used when querying info on Apple API
 # APPLE_API_SECRET=secret
-# MACAPP_APPLE_API_SECRET=secret
+# MACAPP_APPLE_API_SECRET=secret
+
+# Disable onboarding emails
+# For self-hosted instance
+DISABLE_ONBOARDING=true