There is a lot of method to collect emails in bulk. If you want to collect emails without investing money then extraction is the best solution. There are various software available on internet that are capable for extracting emails from various sources such as documents, web, email accounts, etc.
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is a powerful software that can extract thousands of emails from all major search engines like google, yahoo, bing, ask etc as per your required keywords, If you want only health related emails then enter keyword “health” , It automatically crawl those pages which contains health keywords and collect emails of hospitals, medical, doctors etc.
That means that an organic mailing list provides the most high-quality leads, because these prospects just need a nudge in the right direction — which email campaigns are well-equipped to provide — in order to be converted.
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