Cost Per Mile (CPM)
Also known as: Cost Per Mile, Cost Per Thousand, CPT
The cost of sending a thousand emails, usually used by ESPs to calculate pricing. Is related to cost of 1000 impressions in other marketing and advertising channels.
The Email Marketing Glossary
Your guide to all the acronyms and terms in the email world you always wanted. A project from Jason Rodriguez, The Better Email, and a bunch of email friends. Contribute on GitHub.