Now you can use any email list as a Send-To List or as a Suppression List.
When you want to send a single email campaign to a number of Lists, but want to exclude certain addresses that span across all the same lists … you have a problem. How do you remove those addresses? JangoMail allows you to create a separate List with these specific addresses. When you’re ready to send your original campaign, just suppress that list of exclusions.
Good to know: You can also create Suppression Lists when calling the SendMassEmail or SendMassEmailRaw methods of the API. Simply pass in the string "SuppressionGroups=" as part of the "Options" parameter, where a comma-delimited list of Group names goes after the equal (=) sign.