[feature] Added default EMAIL_TIMEOUT #411

Closes #411

README.md

@@ -835,6 +835,11 @@ Below are listed all the variables you can customize (you may also want to take
     # uses "CeleryEmailBackend" from django-celery-email.
     # (https://github.com/pmclanahan/django-celery-email)
     openwisp2_email_backend: "djcelery_email.backends.CeleryEmailBackend"
+    # Email timeout in seconds used by Django for blocking operations
+    # like connection attempts. For more info read the Django documentation,
+    # https://docs.djangoproject.com/en/3.2/ref/settings/#email-timeout.
+    # Defaults to 10 seconds.
+    openwisp2_email_timeout: 5
     # edit database settings only if you are not using sqlite
     # eg, for deploying with PostgreSQL (recommended for production usage)
     # you will need the PostGIS spatial extension, find more info at:

defaults/main.yml

@@ -26,6 +26,7 @@ openwisp2_websocket_extra_routes: []
 openwisp2_path: "/opt/openwisp2"
 openwisp2_default_from_email: "openwisp2@{{ inventory_hostname }}"
 openwisp2_email_backend: "djcelery_email.backends.CeleryEmailBackend"
+openwisp2_email_timeout: 10
 openwisp2_database:
     engine: "django.contrib.gis.db.backends.spatialite"
     name: "{{ openwisp2_path }}/db.sqlite3"

templates/openwisp2/settings.py

@@ -390,6 +390,7 @@
 # Set default email
 DEFAULT_FROM_EMAIL = '{{ openwisp2_default_from_email }}'
 EMAIL_BACKEND = '{{ openwisp2_email_backend }}'
+EMAIL_TIMEOUT = {{ openwisp2_email_timeout }}
 # See http://docs.djangoproject.com/en/dev/topics/logging for
 # more details on how to customize your logging configuration.
 LOGGING = {