The Ultimate Glossary: 44 Email Marketing Terms Marketers Must Know
Hubspot
FEBRUARY 17, 2012
CPM (Cost Per Thousand) - In email marketing, CPM commonly refers to the cost per 1000 names on a given rental list. For example, a rental list priced at $250 CPM would mean that the list owner charges $.25 SPF - Short for 'Sender Policy Framework', it's a DNS record that says on whose behalf an IP or domain sends email.
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