How to Spot a Bad Email List and Turn It Into a Good One
Hubspot
MAY 29, 2014
Steroidal growth of email lists either means your team is buying or renting email lists, or there are bots filling out your forms. This can happen when someone has an auto-responder set or their inbox is full. More on opt-in strategies in a second.). 2) Build an opt-in strategy. It has organic origin and growth.
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