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How to make email finder & verifier from domain?

I am a marketing consultant and have worked with many reputed companies in SaaS, fintech and edutech industries.

As a side hustle, I am interested in building an email finder and verifier tool where user can insert a persons name along with domain name and their email ids can be acquired.

If you can give me an idea how can I build this type of an app or how do this SaaS apps work it would be a great great help.

Also, how much will it cost to hire a developer or outsource the project to build such product?

I am open to any criticism or suggestions about the idea.

on September 23, 2020
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    Check out hunter.io - I think this is what you had in mind. Or google Hunter.io alternatives. Why/How did you think of this idea?

    1. 1

      Yes, I am familiar with Hunter.io, Voila Norbert and other tools.

      As a marketer, outreach campaigns for sales, link building, content marketing is a huge part of my work.

      So, this email finding tools have saved like half of our time but all of them l have some sort of drawbacks and thats the main reason for this idea.

      1. 1

        So whats the background to your idea? How did you think of it? How is it different? Share away...

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          First is Integration with CRM's as well as many data still not available with other tools.

          I know you are from the same space so can you please let me know how do this tools usually work?

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            I'm not really in this space, I've just used these tools in a Sales capacity. Hunter was always my favorite because it was such a simple interface. I'm not sure how they work on the backend to gather the data. I will say this entire industry is being very threatened by data privacy laws.

            1. 1

              Data privacy is a good point, gotta do more research about.

              Thank you for the reply.

  2. 1

    I developed a email finder and validator a while back (omegafy.com), this is not functional now. You can check at https://web.archive.org/web/20170727130706/http://www.omegafy.com/.

    These products mainly works on 2 things.

    • scraping lots of data to find publicly available emails.
    • validating an email id works on checking an email with SMTP library.

    If you want more insight, let's connect over email.

  3. 1

    I'm fairly sure the current solutions as mentioned in this thread scrape the web for email mentions and then link them with the team members in some way. Perhaps there is another data source for that. Either way the amount of data you would need to crawl through would be insane.

    Is there any way you could consume one of these tools and instead add value in some way?