Know and track (un)subscription reasons, GDPR compliant
Use the QWeb templating mechanism for emails
Mass mailing lists that get autopopulated
Share your events via social media
Add contacts to event and event type
Manage your mailchimp audiences with Odoo
Avoids duplicate mailing lists and contacts
Mail settings in events
Allow registration grouped by quantities
Allows sell registrations with more than one attendee
Set question templates for events