email marketing
US /ˈiːmeɪl ˈmɑːrkɪtɪŋ/
UK /ˈiːmeɪl ˈmɑːrkɪtɪŋ/

1.
a form of direct marketing that uses electronic mail as a means of communicating commercial or fundraising messages to an audience
:
•
Our company saw a significant increase in sales after implementing a new email marketing strategy.
•
Effective email marketing relies on building a good subscriber list and sending relevant content.