In email marketing, "blacklisting" is blocking email addresses that have resulted as "hard bounces" or after a subscriber has requested to stop receiving your emails or has reported you as a spam
With SendinBlue, you can quickly import a file (txt, .csv, or .xls) of blacklisted emails to improve your reputation and your deliverability.
To import your blacklist, go to the "Contact Tab",
then click on the button "Add contacts" next to your number of contacts .
Select "Blacklist import".
Note: your file must have the format of a regular contact list to be imported successfully: Importing a file containing your list of contacts.
You will be notified by email when your file has been successfully imported.
Send us an email if you have any questions or problems.