When you create a contact list in Sarbacane, you must choose between 3 types of lists:
A standard list is a list that is not automatically fed. Only a manual action on your part allows the addition, modification or deletion of contacts within your list. A standard list can, however, be linked to a form and may therefore, in this specific case, be fed without manual intervention.
A synchronized list is a list that is dynamically fed via an external source:
an SQL database
a file deposited on an FTP server made available to you by Sarbacane
an e-commerce store (PrestaShop, Magento, Shopify...)
a CRM (Teamleader, Salesforce…)
a website (WordPress...)
a Google Sheets (via Zapier)
or any other data synchronized via API
An unsubscribe list is a list that will be populated by the unsubscribers from a campaign chosen beforehand. A default unsubscribe list is already available in Sarbacane, but if you wish to have several unsubscribe lists depending on your types of communication, you can simply create as many as you need.