How to build an email database?

[Graybeard]

10 Dos and Don'ts for a Successful Email Marketing Campaign [Infographic]
tracking for email ---
?utm_source=Sailthru&utm_medium=email&utm_campaign=Newsletter%20Weekly%20Roundup:%20Social%20Media%20Today%2009-19-2020&utm_term=Social%20Media%20Today%20Weekender