Odoo Website Survey to Mailing List module helps the Odoo user to send the survey to your customers and mailing list recipients.
Website Survey to Employee module helps to send the survey to the active employees.
Recurring Marketing Campaign
Remove duplicate emails from the mailing list.
To have Cost per lead and Cost per acquisition for each marketing campaign.
Mass Mail Christmas Email Template + supported in Odoo v10, v11, v12, v13