Hi, there is a method in sendinblue email campaign which can filter out contacts using attributes. It is described [in this article](https://help.sendinblue.com/hc/en-us/articles/4526551476882--New-design-Exclude-contacts-from-your-recipients).
Hi, there is a method in sendinblue email campaign which can filter out contacts using attributes. It is described in this article.