How to Build an Opt-In E-List of Customers and Prospects Posted byRobert W. Bly March 25, 2020March 30, 2021 Leave a comment on How to Build an Opt-In E-List of Customers and Prospects This may sound like a “duh” step in your marketing prospect, but not having an elist could squash any real progress you make using emails and enewsletters.