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Purchased lists frequently contain "spam traps"—recycled addresses used by ISPs to identify spammers. 3 Reasons Never To Buy Email Lists - Mailchimp how to buy email addresses for marketing
Prior consent is required, and the law explicitly states that consent does not transfer when a list is sold. 2. Choose a Reputable Data Provider your physical postal address
You do not need prior consent to send commercial emails, but you must include a clear opt-out mechanism, your physical postal address, and accurate sender information. how to buy email addresses for marketing
Request a small sample of the list to test deliverability and relevance before committing to a full purchase. 3. Clean and Verify the List Before Sending