There are two types of senegal phone number library bounce: soft bounce (recipient address temporarily unavailable) and hard bounce (recipient address does not exist or no longer exists). Average bounce rate: it should tend towards 0% if your database is healthy! T out of the total number of emails sent. Average spam rate: It should not exceed 1%. If you exceed this limit, your deliverability will be impacted. Good to know, these rates vary greatly depending on the sector of activity.

You should also monitor your email campaign's return on investment (ROI) , which is the profit generated by the campaign compared to its total cost . To know the profit of a newsletter, you can calculate the profit of a click: value of the click * number of clicks . To follow up on this, you can take actions to improve your results. For example, if you observe a bad opening rate, it may mean that your target is not the right one, or that they are not interested in the offer you are presenting.